Answer the following statement(s) true (T) or false (F)

1. Heat sinks vary in size and shape, but have only one purpose.
2. The purpose of a heat sink is to decrease the surface area of the device connected to it.
3. The surface of the device and heat sink may look perfectly flat to the naked eye.
4. Using thermal compound when heat sinking components is not a necessity.
5. Small heat sinks are generally used when a component is operated at its lowest power rating.


1. True
2. False
3. True
4. False
5. False

Trades & Technology

You might also like to view...

NEMA three-phase motors normally use open-ended lead wires marked with the ____ label system in the conduit box.

a. B b. D c. S d. T

Trades & Technology

You are testing an energized solenoid in a series circuit using a voltmeter and identify the following circuit conditions: Voltage measured from solenoid positive terminal to chassis ground:   12.6 V-DC Voltage measured from solenoid negative terminal to chassis ground:  4.0 V-DC Voltage dropped across solenoid positive to negative terminals: 8.5 volts Where is the problem in the circuit likely to be found?

A. On the positive side of the load B. On the negative side of the load C. The load (solenoid) D. No circuit problem based on this data

Trades & Technology

Sixteen and one-half feet equals 1 rod.

Answer the following statement true (T) or false (F)

Trades & Technology

Technician A says that an evaporator is a heat exchanger. Technician B says that a condenser is a heat exchanger. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

Trades & Technology