A ________________ should be worn to prevent injuries from falling objects.
A. baseball cap
B. hard hat
C. harness
D. safety glasses
Answer: B
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An initially evacuated tank is to be filled with CO2 gas from a supply line which contains CO2 at 150 psia and 70oF. The tank volume is 10 gal, and the tank is to be filled until the pressure inside the tank is 120 psia. Determine the amount of heat transfer required if the temperature of the CO2 in the tank is to be 80oF.
State i: Inlet (Supply Line); State 1: Initial State; State 2: Final State Given: CO2; Ti = 70oF; Pi = 150 psia; V = 10 gal = 1.34 ft3; P2 = 120 psia; T2 = 80oF Assume: P1 = 0; m1 = 0 (initially evacuated). Also, as no information is given and these terms are unlikely to be significant, W = 0, and kinetic and potential energy can be neglected. No flow out of the tank. CO2 is an ideal gas with variable specific heats.
Technician A says that rotor thickness variation is a major cause of a pulsating brake pedal. Technician B says that at least 0.015 in. (0.4 mm) should be left on a rotor after machining to allow for wear. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
Technician A says that fuel filters are located in the fuel supply line. Technician B says that fuel filters are located in the fuel return line. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
How should you determine the heat anticipator setting on the room thermostat using a package sequencer?
What will be an ideal response?