Picat Practice

Television output device

Screen

Example of electrostatic discharge - Lightning bolt

Utility knife is meant for - Carpet

Which of the saws would most efficiently cut a 2"x4"x10 - Circular Saw

A computers microprocessor is actually an - Integrated circuit

Two basic types of automobile suspension - Leaf and Coil

The alignment of fibers in a piece of wood defines its - Grain

The collar attached to this drill bit is commonly meant to - Control the depth of hole/Depth control

Ratchet driver used with - Socket

Vernacular - Everyday language

Abode - dwelling or home

Carbon-14 is an example of an : - Isotope

What occupation would most likely be involved in genome mapping? - Geneticist

Names of substances involved in a chemical reaction - Reactants and products

What is the major force that changes peat to coal - Pressure

Which measurement can be used to determine if earplugs are needed when working in a factory? - Decibels

Where are the reproductive organs located in angiosperms? - Flowers

Which characteristic is present in most crustaceans? - Exoskeleton

The ground wire is always: - green

Changing AC to DC is called what? - Rectification

Which of the following has the least resistance? - Copper

If each resistor in this circuit equals 1,000 ohms, what is the total resistance in this circuit? - 250 ohms

Silver is a better conductor than copper. But copper is more often used because of: - the cost of silver

If a circuit has a 9 volt battery and a 3 ohm resistor, what is the power output of the battery? - 27 watts

Current can be expressed in - milliamperes

What part of a car's exhaust system is responsible for turning the toxic components of engine exhaust into less toxic compounds? - Catalytic converter

Which part of the fuel system sprays a fuel and air mixture into the engine's combustion chamber? - Fuel injector

In a four-stroke engine, which of the following is NOT one of the four strokes? - Out take

Which of the following is NOT part of an internal combustion engine? - clutch

Which system is required to start an automobile? - Electrical

The brake caliper is an assembly that houses the - brake pads and pistons

Disc brakes slow the rotation of the wheels using friction, which is created by pushing the brake pads against the brake discs with a set of calipers.

The part of the tire that grips the rim of the wheel is the - bead

If one complete revolution of the steering wheel causes the wheels to turn 20 degrees, what is the steering ratio? - 18:1

A complete revolution of the steering wheel is 360 degrees. Thus, the steering ratio is 360:20 which reduces to 18:1 (360/20=18)

An internal combustion engine in which the cylinders are aligned in two banks, which are at an angle to each other, is known as a - V engine

What type of pliers would you use to make a precise bend to a wire before connecting it to a receptacle? - needle nose pliers

What tool is used to make indentations that serve as marks for drilling operations? - Center punch

Which of these saws would be best for cutting through an iron bar? - Hacksaw

What type of hammer is best for shaping metal? - Ball peen hammer

What type of tool is used to join metals for electrical connections? - Soldering gun

A spindle, sleeve, and thimble are all components of what tool? - Outside micrometer

What type of nut uses a cotter pin? - Castellated nut

Which of the following is the basis for Pascal's Law? - The amplification of force in a hydraulic system

The smaller gear has 8 teeth, and the larger gear has 16 teeth. When the larger gear makes 12 revolutions, how many revolutions will the smaller gear make? - 24

How much force is needed to lift the 10Kg weight? - 5 Kg. In a double-pulley system, the force is equal to the weight divided by two. It will require a 5 Kg force to lift a 10Kg weight.

What is a vector quantity? - Gravity. Gravity is a type of force, and since force has magnitude and direction it is known as vector quantity.

Which opening in the dam will have the greatest water pressure? - The one closest to the bottom

Two wells are in the same environment. One has a wider opening than the other. If the air suddenly becomes very hot, which well will warm up more quickly? - The wider lower one

If gear A makes 150 revolutions per minute (rpm), how many rpms does gear b make? - 300 rpm

In this diagram of a simple gearbox, the gear ratios for each pair of gears is given. What will be the output speed if the input speed is 240 rpm? - 10 rpm

Which of the objects has the most structural strength? - Triangle

Spaces are placed between slabs of concrete in city sidewalks to - allow for expansion and contraction

The definition of a vacuum is - The absence of matter

Centrifugal force is the - Outward force caused by rotation

What is the area of a circle that has a diameter of 4 units? - 12.56 units

If the ratio of the sides of two squares is 3:1, what is the ratio of their perimeters? - 3:1

160/240 - 2/3

12 is 15% of what number? - 80