Chapter 33 Internal Combustion Gen-Sets

Question 1

1.	If compressed air is used to start an IC gen-set, the \_\_\_\_\_\_\_\_\_\_\_ is a critical issue.
A.	Cylinder Pressure
B.	Speed of Rotation
C.	Shaft Temperature
D.	The Battery Voltage
E.	Undefined

Answer 1

A. Cylinder Pressure

Question 2

2. The facilities alternator output must be the same as that of the utilities system relative to which of the following:
   A. The voltage on each must be the same
   B. The amperage on each must be the same
   C. The wattage on each must be the same
   D. The resistance on each must be the same
   E. The impedance on each must be the same

Answer 2

A. The voltage on each must be the same

Question 3

3. The facilities alternator output must be the same as that of the utilities system relative to which of the following:
   A. The amperage on each must be the same
   B. The wattage on each must be the same
   C. The resistance on each must be the same
   D. The frequencies must be the same
   E. The impedance on each must be the same

Answer 3

D. The frequencies must be the same

Question 4

4.	Proper routine pre-start and operational checks may include all of the following except the:
A.	Lubrication system
B.	Cooling system
C.	Machine exhaust temperatures
D.	Start-up energy used
E.	Atmospheric weather conditions

Answer 4

E. Atmospheric weather conditions

Question 5

5.	The normal supply pressure of the compressed air used for starting the engine is at about:
A.	2500 kPa (362.6 psi)
B.	1500 kPa (217.5 psi)
C.	2000 kPa (290.1 psi)
D.	1250 kPa (181.3 psi)
E.	3000 kPa (435.1 psi)

Answer 5

C. 2000 kPa (290.1 psi)

Question 6

6.	Larger engines incorporate a system whereby compressed air is directed \_\_\_\_\_ in order to cause engine rotation. 
A.	To the starter motor
B.	To the turbine
C.	On to the fly wheel
D.	Onto the top of the pistons
E.	To the motor crank

Answer 6

D. Onto the top of the pistons

Question 7

7.	An electric starter motor on an internal combustion engine is usually supplied with \_\_\_\_\_ volt DC power.
A.	32
B.	12
C.	6
D.	24
E.	110

Answer 7

B. 12

Question 8

8.	Temperatures are very important, and sometimes the cooling system includes a \_\_\_\_\_ which has pressures associated with it.
A.	Circulating pump
B.	Water cooler
C.	Air cooler
D.	Temperature gauge
E.	Cooling tower

Answer 8

A. Circulating pump

Question 9

9.	An electric starter rotates an internal combustion engine via a ring gear on the \_\_\_\_\_\_\_\_\_ . 
A.	crankshaft
B.	flywheel
C.	driveshaft
D.	reducing gear
E.	governor

Answer 9

B. flywheel

Question 10

10.	Which of the following is not a starting method for IC Gen-sets?
A.	Electric
B.	Manual Crank
C.	Compressed Air Starting Motor
D.	Coompressed Air to Cylinder Starting
E.	undefined

Answer 10

B. Manual Crank