When the insulation requirements call for a greater depth of loose-fill insulation than the height of the ceiling
joists in an attic will allow, you can provide containment for the loose-fill insulation by _____.
a. using soffit baffles to hold the excess insulation in place
b. tamping down the insulation and holding it in place with plywood sheathing nailed to the ceiling
joists
c. laying plastic sheeting over the loose-fill insulation to hold it in place
d. installing strike-off boards over the joists
d
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The heat input to the diesel cycle is nearest:
The pressure and temperature at the inlet to an ideal diesel cycle, with P-v diagram shown, are 100 kPa and 10ºC. It has a compression ratio of 18 and a cut-off ratio of 2. The maximum temperature in the cycle is 1400ºC. Assume constant
specific heats from Table below for all calculations.
A) 775 kJ/kg
B) 800 kJ/kg
C) 825 kJ/kg
D) 850 kJ/kg
Stored oxygen and fuel gas cylinders ____.
A. can be stored separately or together B. must be separated by 20 feet C. must be separated by a 20 ft. high wall D. must be separated by 5 feet
Welding with the GMAW process can be continuous due to the wire electrode feeder, which reduces restarts
and _____. a. slag b. discontinuities c. splatter d. overlap
A noisy pump may indicate _____
a. cavitation b. excessive flow rate c. that the pump needs grease d. that the pump needs to be replaced