UPDATED Exam Questions and
CORRECT Answers
Which of the following is not a type of Structural Load?
A) Rain load
B) Live load
C) Dead load
D) Wind load - CORRECT ANSWER - A) Rain Load
_ is speed in a particular direction - CORRECT ANSWER - Velocity
What type of load creates different stresses at different locations on a structure?
A) Nonuniformly distributed load
B) Dynamic load
C) Concentrated load
D) Static uniformly distributed load - CORRECT ANSWER - A) Nonuniformly
Distributed Load
Which of the following is not a modulus of elasticity?
A) Stretch modulus
B) Bulk modulus
C) Stress modulus
D) Shear modulus - CORRECT ANSWER - C) Stress modulus
The _ gear is the first gear in a gear train. - CORRECT ANSWER - Drive
, What is the efficiency of a machine that has a work input of 50 ft. lb. and a work output of 37.5
ft. lb. ?
A) 0.13%
B) 13.33%
C) 750%
D) 75% - CORRECT ANSWER - D) 75%
If the green box is 54 ft. from the fulcrum and a certain force applied 6 ft. from the fulcrum at the
blue arrow balances the lever, what is the mechanical advantage?
A) 2.25
B) 36
C) 9
D) 18 - CORRECT ANSWER - C) 9
What type of load varies with time or affects a structure that experiences a high degree of
movement?
A) Static uniformly distributed load
B) Dynamic load
C) Impact load
D) Nonuniformly distributed load - CORRECT ANSWER - B) Dynamic Load
A _ machine is a machine made of more than one simple machine. - CORRECT
ANSWER - Compound
A _ machine is a device for overcoming resistance at one point by applying force at some other
point. - CORRECT ANSWER - Simple
_ is the input force when calculating Mechanical Advantage. - CORRECT ANSWER -
Effort