3RD CLASS POWER ENGINEERING SOPEEC TEST QUESTIONS AND 100%
VERIFIED ANSWERS (PASS GUARANTEE)
The sine of an acute angle in a right angle triangle is equal to A. the neighboring
side divided by the hypotenuse.
B. The side next to or opposite
C. The other or adjacent side
D. the hypotenuse or opposing side
E. opposite side/hypotenuse ANSWER D
The length of the opposing side of a right-angle triangle with an angle of 28º 37'
and a hypotenuse of 120 mm is as follows: A. 105.34 mm B. 57.44 mm C.
136.70 mm D. 250.5 mm E. 221 mm ANSWER B
D has the following values in the equation 0.004 + D = 0.0042: A. 1.05 B. 1.68
X 10-5 C. 0.0002 D. 0.0082 E. -0.0082 - ANSWER C
The angle's value declines, the angle's value grows, and the hypotenuse's value
lowers as the cosine decreases.
D. A and C above E. None of the aforementioned— ANSWER B
Any two angles that add up to 90 degrees are:
A. complementary angles B. angles that are right
C. tangent to one another D. obtuse angles
E. Reflex angles ANSWER A
One is the trigonometric value of: A. 90º sine; B. 0º cosine; and C. 45º tangent.
D. Above A, B, and C E. Above A and C ANSWER D
The speed of a car is sixty miles per hour. This would be equal to the following
when expressed in meters per second:
B. 26.81 m/s C. 1609 m/s D. 348 m/s A. 0.0268 m/s
E. 34.8 m/s ANSWER B
A. the component B. the element C. the equilibrant D. the impedance The force
that is identical in magnitude but opposite in direction to the resultant force
E. The displacement ANSWER C
, A scalar quantity is one that merely has magnitude and can be fully explained
by: A. providing direction B. a number with the appropriate unit
C. using a force term; D. considering height, width, and length
E. Density and volume ANSWER B
An additional force equal in magnitude but opposite in direction can be applied
to a body to bring it into balance.
Scalar A, vector B, equilibrant C, and resultant D
E. component ANSWER D
The displacement from point A can be calculated as follows: A. 15 m N of W B.
3 m N of W C. 10 m N of W D. 12.5 m N of W E. 10.8 m N of W. This is
achieved by adding a displacement of 9 m north of point A and another of 6 m
west of point A. ANSWER E
A. the component that will result in equilibrium B. the force X resultant C. the
force X equilibrant D. a twisting or turning effect E. equal to velocity / gravity
comprises the moment of a force about a point. ANSWER D
When the force between two surfaces stays constant while the coefficient of
friction rises, the friction force will: A. stay constant; B. decrease; C. increase;
and D. make moving the weight easier.
E. exponentially decline ANSWER C
A rope that forms an angle of 20º above the horizontal pulls a body with a
gravitational force of 2000 N along a horizontal surface at a constant speed. The
sliding friction coefficient, assuming a 150 N force on the rope, is:
A. 0.0257 B. 0.0275 C. 0.0705 D. 0.0723 E. 0.075 - ANSWER D
Energy can be: A. generated; B. changed into various forms.
C. demolished D. A & C
E. everything said above— ANSWER B
A. ideal efficiency B. actual mechanical advantage C. actual efficiency D. ideal
mechanical advantage is the velocity ratio.
E. dividing the final speed by the starting speed ANSWER D
A When a 1 N weight moves at A. 0.45 m/s or B. 1 m/s, its kinetic energy is 1 J.
1.4 m/s, 4.4 m/s, and 44 m/s, respectively ANSWER D
A material with a safety factor of seven and an ultimate strength of 490 mPa
would have the following working stress:
VERIFIED ANSWERS (PASS GUARANTEE)
The sine of an acute angle in a right angle triangle is equal to A. the neighboring
side divided by the hypotenuse.
B. The side next to or opposite
C. The other or adjacent side
D. the hypotenuse or opposing side
E. opposite side/hypotenuse ANSWER D
The length of the opposing side of a right-angle triangle with an angle of 28º 37'
and a hypotenuse of 120 mm is as follows: A. 105.34 mm B. 57.44 mm C.
136.70 mm D. 250.5 mm E. 221 mm ANSWER B
D has the following values in the equation 0.004 + D = 0.0042: A. 1.05 B. 1.68
X 10-5 C. 0.0002 D. 0.0082 E. -0.0082 - ANSWER C
The angle's value declines, the angle's value grows, and the hypotenuse's value
lowers as the cosine decreases.
D. A and C above E. None of the aforementioned— ANSWER B
Any two angles that add up to 90 degrees are:
A. complementary angles B. angles that are right
C. tangent to one another D. obtuse angles
E. Reflex angles ANSWER A
One is the trigonometric value of: A. 90º sine; B. 0º cosine; and C. 45º tangent.
D. Above A, B, and C E. Above A and C ANSWER D
The speed of a car is sixty miles per hour. This would be equal to the following
when expressed in meters per second:
B. 26.81 m/s C. 1609 m/s D. 348 m/s A. 0.0268 m/s
E. 34.8 m/s ANSWER B
A. the component B. the element C. the equilibrant D. the impedance The force
that is identical in magnitude but opposite in direction to the resultant force
E. The displacement ANSWER C
, A scalar quantity is one that merely has magnitude and can be fully explained
by: A. providing direction B. a number with the appropriate unit
C. using a force term; D. considering height, width, and length
E. Density and volume ANSWER B
An additional force equal in magnitude but opposite in direction can be applied
to a body to bring it into balance.
Scalar A, vector B, equilibrant C, and resultant D
E. component ANSWER D
The displacement from point A can be calculated as follows: A. 15 m N of W B.
3 m N of W C. 10 m N of W D. 12.5 m N of W E. 10.8 m N of W. This is
achieved by adding a displacement of 9 m north of point A and another of 6 m
west of point A. ANSWER E
A. the component that will result in equilibrium B. the force X resultant C. the
force X equilibrant D. a twisting or turning effect E. equal to velocity / gravity
comprises the moment of a force about a point. ANSWER D
When the force between two surfaces stays constant while the coefficient of
friction rises, the friction force will: A. stay constant; B. decrease; C. increase;
and D. make moving the weight easier.
E. exponentially decline ANSWER C
A rope that forms an angle of 20º above the horizontal pulls a body with a
gravitational force of 2000 N along a horizontal surface at a constant speed. The
sliding friction coefficient, assuming a 150 N force on the rope, is:
A. 0.0257 B. 0.0275 C. 0.0705 D. 0.0723 E. 0.075 - ANSWER D
Energy can be: A. generated; B. changed into various forms.
C. demolished D. A & C
E. everything said above— ANSWER B
A. ideal efficiency B. actual mechanical advantage C. actual efficiency D. ideal
mechanical advantage is the velocity ratio.
E. dividing the final speed by the starting speed ANSWER D
A When a 1 N weight moves at A. 0.45 m/s or B. 1 m/s, its kinetic energy is 1 J.
1.4 m/s, 4.4 m/s, and 44 m/s, respectively ANSWER D
A material with a safety factor of seven and an ultimate strength of 490 mPa
would have the following working stress:
