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

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

Current can be expressed in - milliamperes

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 application 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

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

The one farthest from surface + 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 one will make it 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

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

27 watts

What is the primary reason that seasons in the Northern Hempisphere are out of phase with seasoning in the Southern Hempisphere?

Tilt of the Earth's axis

What gas is a primary by-product of the photosynthesis process?

Oxygen

Which of the following experimental results demonstrates phototropism?

Stems of plants turned towards the dark area of a room will bend towards the window

What is the measuring unit for the pressure of a liquid?

Pounds per square inch

What is the function of enzymes in the human body?

Speed up chemical reactions

Why does a compass needle point towards the north?

Earth’s electromagnetic field

Which of the following causes coastal tides?

Gravitational attraction of the moon and sun on the earth

To measure electrical power, you would use a(n):

Wattmeter