POWER ENGINEERING 3A - 3 REVIEW EXAM COMPLETE QUESTIONS AND 100% VERIFIED ANSWERS

POWER ENGINEERING 3A - 3 REVIEW EXAM COMPLETE QUESTIONS AND
100% VERIFIED ANSWERS




An example of a set of complementary angles would be:
Select one:
A. 45 degrees, 45 degrees and 60 degrees
B. 60 degrees, 60 degrees and 60 degrees
C. 75 degrees and 105 degrees
D. 55 degrees and 45 degrees
E. 75 degrees and 15 degrees
E
The Process Flow Diagram shows:1. The major equipment items2. Detailed
instrument and control loops3. The major process flows4. The piping, drawn to
scale5. The exact orientation of the equipment within the facility
Select one:
A. 1, 2
B. 2, 3, 5
C. 3, 4
D. 1, 3
E. 2, 4, 5
D
A knuckle joint is made up of a forked end with a 2 cm diameter pin through it
to hold the other section in place. The joint is under tension from a force F of
20 kN. Calculate the shearing stress in the pin.

Select one:
A. 15,915 kPa
B. 31,831 kPa

,C. 33,781 kPa
D. 63,662 kPa
E. 318 MPa
B
Compression and expansion in real life cases will always follow the polytropic
process that is described by the formula(s):
1. P1V1 = P2V2
2. P1V1n = P2V2n
3. PVn = Constant
4. PV = Constant
Select one:
A. 1, 2
B. 2, 3
C. 3, 4
D. 1, 3
E. 2, 4
B
Given that one side of a triangle is equal to 8 m, the base is equal to b m and
the height is 4 m, the area of this triangle is equal to:
Select one:
A. 16 m²
B. 32 m²
C. 8b m²
D. 4b m²
E. 2b m²
E
The characteristic constant for a gas is given as:
Select one:
A. Kg/kPa/K
B. J/g C
C. KJ/Kg/C

,D. Kg K
E. KJ/Kg K
E
The magnitude of the moment of a force is equal to force times the:
Select one:
A. Area
B. Time
C. Pressure
D. Perpendicular distance
E. Circular distance
D
According to Hooke's Law the stress in an elastic body is directly proportional
to the strain if:
Select one:
A. The yield point of the material is exceeded
B. The elastic limits of the material is not exceeded
C. The elastic limits of the material is exceeded
D. Young's Modulus remains constant
E. The yield point of the material is not exceeded
B
Malleability is that property of a material that allows it to:
Select one:
A. Be deformed by compression without breaking
B. Resist deformation under compression
C. Resist change in shape when under tension
D. Be heated to liquid state and poured into a mold
E. Be lengthened without breaking
A
Heat supplied or taken away from a substance that causes a change of state
without a change in temperature is called:
Select one:
A. Latent heat
B. Sensible heat
C. Convective heat

, D. Accumulated heat
E. Evaporative heat
A
If the temperature of a mild steel bar 10 m long is increased from 15 to 75°C,
the change in length will be:
Select one:
A. 0.72 mm
B. 7.2 mm
C. 7.2 cm
D. 72 cm
E. 0.072 m
B
A steel storage tank is 5 m long, 2 m wide and 4 m high. It is 60% full of
ethylene glycol with a relative density of 1.1. What is the force load exerted by
the fluid on one end?
Select one:
A. 51.9 kN
B. 42.5 kN
C. 172.8 kN
D. 62.2 kN
E. 103.6 kN
D
One of the laws of indices states:
Select one:
A. To multiply powers of similar quantities, multiply the indices.
B. To divide powers of similar quantities, add the indices.
C. To raise a power to a higher power, multiply the indices.
D. To divide powers of similar quantities, divide the indices.
E. To multiply powers of similar quantities, divide the indices.
C
Shear force at any section or point in a beam is the algebraic sum of all the:
Select one:
A. Concentrated loads to the right or left of the section being considered
B. Distributed loads to the right or left of the section being considered