The discus valve design is more efficient than a flapper valve design because ____.
A. it allows a compressor design with less clearance volume
B. it operates with less spring tension
C. the amount of expanded vapor in the cylinder is greater
D. it will not allow liquid refrigerant in the cylinder
Answer: A
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Answer the following statement(s) true (T) or false (F)
1. A series circuit has multiple paths for current flow. 2. Total resistance in a series circuit is equal to the sum of all resistors. 3. Voltage is determined by observing the direction of current flow. 4. Voltages add for power sources connected in series aiding.
____________________ horsepower is a method of estimating the horsepower. It is used as a rating.
Fill in the blank(s) with the appropriate word(s).
Main bearings and rod bearings should be checked for proper oil clearance by precision measuring the crankshaft journals and inside diameter of bearings, or by using which of these?
A) Rubber gauging material B) Vernier caliper C) Plastigage material D) Steel ruler
All of these are types of transmission oil pumps EXCEPT.
A. rotor-type B. vane-type C. diaphragm D. gear-type