A 6-cylinder car has a bore of 3.625 inches. What is the horsepower rating to the nearest tenth?
A. 31.5
B. 32.5
C. 32.9
D. 33.7
Answer: A
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If the suction pressure of a system is 60 psig and the oil pump outlet is 85 psig, what is the net oil pressure?
A. 60 psig B. 25 psig C. 85 psig D. 145 psig
A dc, separately excited motor is rated at 10 hp and 300 V. The rotor resistance of the motor is 1 ?, with an inductance of 30 mH. The field constant (K?) of the motor is 4 Vs. The inertia of the entire system is 1 Nm sec2 , and the load torque is constant and equal to 50 Nm. The motor rotates at 1500 rpm. If the voltage of the motor is reduced to 200 V, compute the new steady-state speed. Also, plot the speed of the motor as a function of time during the transition.
What will be an ideal response?
Old brake shoes are often returned to the manufacturer when new friction material is installed. These old shoes are usually called the ________
A) Nib B) Rim C) Core D) Web
At about what temperature does oxygen combine with the nitrogen in the air to form NOx?
A) 500 degrees F B) 1500 degrees F C) 750 degrees F D) 2500 degrees F