What type of engine oil pump is most commonly used on truck diesel engines?
A. plunger
B. vane
C. external gear
D. centrifugal
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. The most economical speed for an electrical motor is about 1800 revolutions per minute. 2. It has been suggested that synchronous motors are more expensive to install than squirrel cage motors if the rating exceeds 1 hp. 3. Laser light is directional. 4. Offset drives, such as V-belts, gears, and chain drives, can be lined up more easily than direct drives. 5. Five quantities must be known if the machinery is to be set up with the correct pulley sizes.
Liquid water, with a density of 62.4 lbm/ft3, flows with a volumetric flow rate of 1.25 ft3/s through a circular pipe with a diameter of 3 in. Determine the velocity and mass flow rate of the water.
Given: p= 1000 kg/m3, V = 8.5 m/s, D = 42.0 mm = 0.042 m What will be an ideal response?
Concrete piping is joined using
A. solvent cements B. compression bands C. flanges D. elastomeric "O" rings in hub-spigot joints
The friction factor f remains constant along the flow direction in the fully developed region in both laminar and turbulent flow.
What will be an ideal response?