2023/2024 Picat Verification Test Practice Questions with correct Answers

Picat Verification Test In making permanent electronic connections, use? - Answer- soldering iron When current flow is interrupted by a blown fuse, the circuits becomes? - Answer- Open A standard multimeter does not measure? - Answer- frequency Electric current flowing from one component to the next is an example of what kind of circuit? - Answer- Series In order to make an electric current flow, it is necessary to have? - Answer- Copper conductors A device that converts sound waves to electric current is a? - Answer- Transformer Which of the following can not be used to store an electrical charge? - Answer- fuse Wires are joined together with solder to ensure? - Answer- Minimum resistance Which of the following is the smallest in size and can amplify electrical signals? - Answer- Relay The type of electricity used to power a car radio is typically? - Answer- DC. An electric generator has all of the following except? - Answer- Carburetor What kind of energy is converted to electrical energy by a car battery? - Answer- chemical The most commonly used fuel for running automobile engine is? - Answer- Gasoline Which of the following is not part of a cars drive train? - Answer- transmission Which engine component stores oil for lubrication? - Answer- oil pan The Catalytic converter is part of what system? - Answer- Emission control system How many crankshafts are there in a V-8 automobile engine? - Answer- 8 The engine flywheel bolts to the? - Answer- crankshaft Pistons are usually made from what material? - Answer- Aluminum MacPherson struts are a type of? - Answer- suspension Brake shoes stop a car by exerting pressure on the? - Answer- Tires Which of the following uses a penny system to specify its size? - Answer- finishing nail Taps and dies are tools to? - Answer- Cut threads for nuts and bolts Which tool is used to bend large sections of sheet metal? - Answer- Lathe What is placed around a chimney to prevent leaks? - Answer- flashing This type of pattern on metal is made by process called? - Answer- Knurling Self-taping screws are primarily used when fastening objects to? - Answer- Sheet metal To properly turn wood stock, one should use a? - Answer- lathe The technique for joining copper water pipes is called? - Answer- Soldering Which of these does not make wood chips when it is used? - Answer- drill press Which adhesive is usually supplied in two parts which must be mixed prior to use? - Answer- Contact Concrete As piston P moves up in the direction shown, lever Q? - Answer- Does not move Four weights are tied together and hung from the ceiling. What will be the tensions in the cord at the point labeled? - Answer- 60 pounds What would you tell the person who is trying to loosen the rusty nut with the wrench? - Answer- Move your hand farther from the nut A car stops suddenly. Why are the passengers thrown forward against their seat belts? - Answer- Terminal velocity Why are hoops closer together near the bottom of the tank? - Answer- Water pressure pushing against the sides of the tank is greater near the bottom It is true that frictional forces? - Answer- Always oppose forces producing motion Crewtrifrugal Force is the? - Answer- Outward force caused by rotation In this pulley system, what force must be applied to balance the 10 pound weight - Answer- 10 lbs The joint at B contains a pin so that the ball can move up and down. If the axle BC rotated faster, angle X will? - Answer- Decrease The surface.... if piston A is pushed down 6 inches, how far will piston B move up? - Answer- 3 inches The spring pulls the left end of the lever against the cam. As the cam makes four rotations, how many times will the right end of the lever move up and down? - Answer- 4 Which of the following objects has the most structural strength? - Answer- A A definition of a vacuum is? - Answer- The absence of matter If 60 pounds of the force must be applied to the valve for it to open, how much upward force must push rod X ,apply for the valve to open? - Answer- 40 lbs At what altitude is atmospheric pressure the greatest? - Answer- Sea level Fiction is the force that? - Answer- Opposes motion between 2 surfaces Which of the following is a renewable resource? - Answer- peanut oil Which of the following reproduce by spawning? - Answer- fish What do a hydrogen and oxygen molecule have in common? - Answer- Their size The filament in an electric lightbulb is made of? - Answer- Tungsten When scientists measure a liquids resistance to flow they are measuring? - Answer- Viscosity An aquifer is? - Answer- River bottom made up of sedimentary rocks Human skin cells divide by? - Answer- Mitosis Perpetual motion machines can never be built because it is not possible to eliminate? - Answer- Inertia Which reduces friction? - Answer- Ball bearing Regeneration in men is limited to? - Answer- Healing of wounds