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PiCat Study Test Questions and Answers 202 3
General Science
- Which of these reduces friction? a. Car Breaks b. Tire Tread c. Ball Bearings d. Sandpaper
- When a lobster grows a claw to replace one that was lost, the process is called: a. Restoration b. Retraction c. Regeneration d. Reproduction
- Any astronomical body that revolves around a larger body is called: a. A nova b. A comet c. A satellite d. An asteroid e. A meteoroid
- In chemistry, to be classified as an organic substance, a substance must contain: a. Sugar molecules b. Sodium atoms c. Carbon atoms d. Water molecules
- Which element does not contain any neutrons? a. Iron b. Carbon c. Oxygen d. Hydrogen
- The chemical formula of a compound describes the elements the compound contains and the a. pH of the compound b. Conduction of the compound c. Ratio of elements in the compound d. Ratio of neutrons to protons in each element
- What is the symbol for the hydroxyl ion? a. H+ b. OH- c. H 2 O d. H 3 O
- The tympanic membranes are also known as the a. Eye lids b. Sinuses c. Ear drums d. Vocal cords
- Which of the following actions produce a chemical change? a. Boiling water b. Burning rice c. Adding salt to hot water d. Melting butter on cooked rice
- Choking is prevented by the
a. Diaphragm remaining down b. Vibration of the vocal cords c. Esophagus moving the food d. Epiglottis covering the voice box
- What do a hydrogen molecule and an oxygen molecule have in common? a. Atomic structure b. The charge on each electron c. The number of protons d. The size
- Which of the following is a non-renewable resource? a. Wood b. Water c. Copper d. Biomass
- A perpetual-motion machine can never be built because it is not possible to eliminate a. Momentum b. Inertia c. Elasticity d. Friction
- Which of the following is a renewable resource? a. Copper b. Aluminum c. Peanut Oil d. Natural Gas
- When scientists measure a liquid’s resistance to flow, they are measuring the liquid’s a. Density b. Solubility c. Viscosity d. Permeability Arithmetic Reasoning
- A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft? a. 3% b. 30% c. 40% d. 50%
- Jerry walked a dog from 6:40am to 7:30am one day. If he was paid at the rate of $6 per hour, how much did he earn that day? a. $4. b. $5. c. $5. d. $5. e. $6.
- A woman is looking for a bigger square office. She finds an office twice the area of her current office. If the perimeter of her current office is 88 feet, how many square feet is the new office? a. 176 sq ft b. 352 sq ft c. 968 sq ft d. 1200 sq ft
- If the population of a certain city increased 25% in two years, the new population was what percent of the old? a. 1.25% b. 25% c. 50% d. 125% e. 150%
- Debra and Ian shared in a $1,000,000 estate. If Ian received $125000, and Debra the rest, what fraction of the estate did Debra receive? a. 1/ b. 5/ c. 3/ d. 4/ e. 7/
- UNPICTURED SALMON QUESTION a. $3.
- UNPICTURED TRAIN QUESTION a. 1 ½ hours Paragraph Comprehension Roosevelt made conscious use of the media almost from the moment he entered the White House. His press conferences served to educate newspaper writers, and through them the nation, about the complex, novel measures he was advocating. It can be inferred from the passage the Roosevelt a. Improved the quality of journalism in the United States b. Educated the nation about the press c. Did not use the media to influence public opinion d. Was a president who recognized the power of the press Riding the mail plan in a low-budget way to visit America’s largest national park – Wrangell-St. Elias – 13 million acres of scenic beauty. Copper first drew prospectors to this part of Alaska. From 1911 to 1938, the Kennecott mine produced 200 million tons of it. Now a mecca for tourists, the town of Kennecott was abandoned to the ghosts when the copper ran out. According to the passage, which of the following illustrates the correct sequence of events? a. Copper drew prospectors, copper ran out, town abandoned, tourist attraction b. Copper drew prospectors, tourist attraction, copper ran out, town abandoned c. Copper drew prospectors, copper ran out, tourist attraction, town abandoned d. Copper drew prospectors, tourist attraction, town abandoned, copper ran out Physicists seek out those features of nature that are simple and universal. The secret of their success is not so much a matter of finding answers as it is asking the right questions. The trick is keeping the questions simple and sticking to universal phenomena. Simple question can be answered unambiguously by careful observation of repeated experiments and logical thinking. Which of the following questions is most clearly an example of the kind discussed in the paragraph? a. How can the destruction of the environment be prevented? b. What can people do to live happier lives? c. How fast do stones of a particular size fall? d. How large was the meteorite that was observed last night?
An allergy is the hypersensitivity to substances that are essentially harmless. For as yet poorly understood reasons, the immune system malfunctions and marshals up an army of antibodies to fight these substances. For many allergies, this malfunction causes a large amount of histamine to flood into the blood stream. It is the overabundance of histamine that causes allergic symptoms such as headaches, rashes, and sneezing. The passage states all of the following about allergies except: a. Allergic headaches, rashes, and sneezing are caused by an overabundance of histamine in the bloodstream. b. An allergic reaction is a result of a false alarm in the body’s immune system. c. Medical science does not fully understand why the body has an allergic reaction to certain substances. d. The body reacts to histamine in the bloodstream by producing antibodies to fight it. From Texas to Southern California, low water maintenance landscaping and the popularity of desert themes have made cactus very valuable. Considering the fact that cactus have extremely slow growth and reproduction rates, rustlers anticipate significant profits for this shallow rooted succulent. Removing cactus from state-owned land, however, is a felony, and if state lines are crossed, the 1900 Lacey Act makes the same crime a federal offense. From the passage, determine the sequence of events. a. Lacey Act Passage, cactus popularity, cactus rustling b. Cactus popularity, transport of stolen cactus, cactus theft c. Cactus theft, Lacey Act, cactus popularity diminishes d. Lacey Act passage, prosecution, transport of stolen cactus There is tremendous difference between “seeing” and orienting yourself. Mostly we orient ourselves. We walk through the door without noticing it; we enter a room and know where we are without being conscious of the color or texture of the walls, but it is consciousness of visual detail that constitutes seeing. Which of the following is the best example of seeing as described in the passage? a. He walked all the way to town, lost in thought about his future. b. She is surprised at the shiny Black shell and odd limbs of the beetle. c. She could not remember driving to school, but she must have done it because she was there. d. They traveled river road for over ten years but could not recall its state route number. On a Sunday afternoon drive through the countryside of Eastern Pennsylvania is 1906, Pierre Du Pont was struck by the variety of trees in Pierce Park. Collected from the far and wide, the hundred-year-old trees had been planted but the Pierce brothers on this track of land granted to their family by William Penn in 1702. According to the paragraph, which of the following statements about the trees in Pierce Park is true? a. They were planted in the early 1800s. b. They were collected by William Penn. c. They were seedlings in 1702. d. They were grown my Pierre Du Pont Scientist have found magnetite, and iron oxide with magnetic properties, in the heads of dolphins. This may explain the dolphins’ ability to navigate accurately. The theory is that they are orientated by the
c.
x
d.
x
- The hypotenuse if a right triangle has a length of 14 units and a side that is 9 units long. Which equation can be used to find the length of the remaining side? a. x^2 = 142 92 b. x^2 = 142 + 92 c. x^2 = 142 – 92 d. x^2 = 142 x 92
- What is the area of a parallelogram if its length is x + 4 and its height is x + 3? a. 4x + 14 b. 2x + 7 c. x^2 + 12x + 7 d. x^2 + 7x + 12
- Graphs of the following equations are straight lines EXCEPT: a. 3x + 2y = 8 b. y = x/2 – 5 c. x = 4y d. y = x^2 + 3
- The factors of 2x^2 + xy – 3y^2 a. (2x – 3y)(x + y) b. (2x + 3y)(x – y) c. (2x – y)(x +3y) d. (2x + y)(x – 3y)
- If 4/3 x 3/4 = 5k, then k = a. 1/ b. 16/ c. 1 d. 5
- What is the area of a triangle with a base of 8 feet and a height of 4 feet? a. 16 square feet b. 24 square feet c. 32 square feet d. 64 square feet
- What is the product of (a – 1) and (2a + 2)? a. 2(a^2 – 2) b. 2(a^2 – 1) c. a^2 + 4a – 2 d. 2a^2 – 4a – 2
- The product of 3! is a. 1 b. 2 c. 3 d. 6
- The reciprocal of 7 is a. - 7 b. - 1/ c. 1/ d. 7
- What is 8b – ab + 7a subtracted from 3a – 9ab +b? a. - 4a – 8ab – 7b b. 10a – 10ab – 7b c. 4a +8ab + 7b d. 4a – 10ab +9b
- x/4 > 12 has the same solution set as a. x > 48 b. x > 16 c. x > 3 d. x < 48
- The reciprocal of 3 - 1/5 is a. 5/ b. 5/ c. 16/ d. 16/ Electronics Information
- When current flow is interrupted by a blow fuse, the circuit becomes a. Open
- Silicon chips are used primarily in a. Integrated circuits b. Relays c. Motors d. Transformers
- What kind of energy is converted to electrical energy by a car battery? a. Light b. Kinetic c. Thermal d. Chemical
- What tool is shown? a. Cable stripper b. Wire stripper c. Heat sink d. Soldering iron e. Circuit tester
- Which of the following electronic assembly? a. Chip puller b. Wire gauge c. Wire stripper d. Hydrometer by Unknown Author is licensed under tools is used to remove a module from an
- Which of the following can NOT be used to store an electrical charge? a. Fuse b. Dielectric c. Capacitor d. Battery
- Which of the following is the smallest in size and can amplify electrical signals? a. Transistor b. Battery c. Switch d. Relay
b. Ignition system c. Cooling system d. Emission control system
- Which engine component stores oil for lubrication a. Oil pan b. Oil filter c. Oil pump d. Oil galleries
- The arrow is pointing to what automotive components? a. Rings b. Gaskets c. Washers d. Seals
- How many crankshafts are there in a V- 8 automobile engine? a. 8 b. 4 c. 2 d. 1
- What kind of wrench should be used to tighten engine components such as manifolds and cylinder heads? a. Torque b. Pneumatic c. Ratchet d. Socket
- Coolant flow through an engine is regulated by the a. Thermostat b. Heater c. Radiator d. Water Hose
- The starter gear disengages from the car’s flywheel to avoid a. Damage to the starter b. Generating excessive power c. Overcharging the battery d. Slowing down the engine e. Stalling the engine
- The distance between the electrode and the grounding strap of a spark plug is called its a. Pitch b. Gap c. Slot d. Throw Shop Information
- Which of the following uses a penny system to specify its size? a. Finishing nail b. Carriage bolt c. Lock Washer d. Drill Bit
- Taps and dies are tools to a. Countersink nuts and bolts b. Cut threads for nuts and bolts
c. Punch holes for nuts and bolts d. Tighten or loosen nuts and bolts
- Which adhesive is usually supplied in two parts which must be mixed prior to use? a. Epoxy b. White glue c. Contact cement d. Silicone rubber e. Instant glue
- What is placed around a chimney to prevent leaks? a. Flashing b. Ridge cap c. Splash block d. Rubber gasket
- The technique for joining copper water pipes is called a. Welding b. Threading c. Soldering d. Cementing
- Mechanical or hydraulic devices that regulate the speed of a machine are called a. Carriages b. Governors c. Keyways d. Lifts
- Which of these is a natural wood defect rather than a result of improper storage or conditioning? a. Knot b. Split c. Warp d. Stain
- Which of the following is used to cut different shaped edges on a wooden cabinet door? a. File b. Saw c. Lathe d. Router
- To make a hole in an exterior wall for placing a window, carpenters usually use a a. Band saw b. Drill press c. Reciprocating saw d. Torque wrench
- Which of the following is NOT a pipe wrench? a. Socket wrench b. Chain wrench c. Stillson wrench d. Footprint wrench Word Knowledge
- Emphasize most nearly means a. Justify b. Demean c. Calculate d. Accentuate
- We will long remember our perilous journey
- Decry most nearly means a. Disparage b. Commend c. Distribute d. Exalt
- Peruse most nearly means a. Study b. Begin c. Ferment d. Convince
- Cajole most nearly means a. Acquire b. Harmonize c. Wheedle d. Discourage
- Contentious a. Accomplished b. Quarrelsome c. Greedy d. Informal Mechanical Comprehension
- As piston moves up in t he direction shown, lever Q a. Moves in direction 1 only b. Moves in direction 2 only c. Moves alternately in direction 1 and 2 d. Does not move
- The drive pulley always turns a. Faster than pulley B b. Faster than pulleys A or C, but not pully B c. Slower than pulleys A, B, and C d. At the same rate as pulleys B and C
- In this pulley system, what force must be applied to balance the 10 - poind weight? a. 5 pounds b. 10 pounds c. 15 pounds d. 20 pounds
- What would you tell the person who is trying to loosen the rusty nut with the wrench? a. Move your hand closer to the nut. b. Move your hand farther from the nut. c. Keep your hand where it is. d. It does not matter where you hold the wrench.
- A car stops suddenly. Why are the passengers thrown forward against their seat belts? a. The mass of the car b. The terminal velocity c. The antilock braking system d. The inertia of each passenger
- Centrifugal force is the a. Force of attraction b. Outward force caused by rotation c. Upward force that a fluid exerts on an immersed object
d. Force resisting motion between one set of molecules and another
- The surface area of piston A is 2 square inches, while the surface area of piston B is 4 square inches. If a piston A is pushes down 6 inches, how far will piston B move up? a. 3 inches b. 4 inches c. 6 inches d. 12 inches
- In this gear train, gears A and B each have the same number of teeth. If gear B is the driver gear and turns one revolution counterclockwise, then a. Gear A and C will turn one revolution clockwise b. Gears A and C will turn one revolution counterclockwise c. Gear C will turn in the same direction as gear B, but faster d. Gears A and C will turn clockwise, but gear A will turn faster than gear C
- It is true that frictional forces a. Prevent motion altogether b. Only operate in vertical directions c. Always aid forces producing motion d. Always oppose forces producing motion
- Which wheel or gears turn in the same direction as A? a. D only b. E only c. C and E d. B and F
- If gear a turns 2 rpm, how fast will gear B turn? a. 2 rpm b. 3 rpm c. 4 rpm d. 6 rpm
- Which of the objects has the most structural strength? a. A b. B c. C d. D
- The spring pulls the left end of the lever against the cam. As the cam makes four rotation, how many times will the right end of the lever move up and down? a. 2 b. 4 c. 6 d. 8
- To resist a pull in direction X, the best anchored telegraph pole is a. A b. B c. C d. D
