1. Technician A says that an automotive

technician must be a "jack-of-all-trades."

Technician B says that the technician's job is

seldom boring. Who is right?

(A) A only.

(B) B only.

(C) Both A and B.

(D) Neither A nor B.

onefits of

I have a 500 L tank that can hold a fluid. How much heavier or lighter will the tank be if a. The tank holds water at 80C compared to if the water tank holds 5C water? b.

4. Every person's body is different,

Firms are able to price discriminate A. when all customers are uninformed about quality differences. B. when there is full information about quality available to all customers. C. when some customers are uninformed about quality differences. D.

What steel type and ASTM designation is preferred for W-shapes?

In a bicycle race, a bicyclist coasts down a hill with a 7 % grade to save energy. The mass of the bicycle and rider is 80 kg, the projected area is 0.2 m2, and the drag coefficient is 0.9. Air temperature is 17 ºC.

A completely reversible heat pump produces heat at a rate of 100 kW to warm a house maintained at 25℃. The exterior air, which is at 0℃, serves as the source.

A closed system undergoes a process in which work is done on the system and the heat transfer Q occurs only at temperature Tb. For each case, determine whether the entropy change of the system is positive, negative, zero, or indeterminate.

A scientist who is evaluating an ancient human skeleton for signs of vitamin and nutrient deficiency is conducting:

Which of the following is required in order to make a protected left turn A. A left green arrow B. No oncoming traffic C. A left turn only lane D. A large enough gap

At steady state, a cycle develops a power output of 10 kW for heat addition at a rate of 10 kJ per cycle of operation from a source at 1500 K. Energy is rejected by heat transfer to cooling water at 300 K.