111. A stepper motor is which one of the following types of devices?
(A) Actuator
(B) Interface device
(C) Pulse counter
(D) Sensor
Answer: - Actuator
112. The standard coordinate system for numerical control machine tools is based on __________.
(A) Cartesian coordinates plus three rotational axes
(B) cylindrical coordinates
(C) polar coordinates
(D) Both B & C
Answer: - Cartesian coordinates plus three rotational axes
113. Fixed routing is associated with which of the following types of manufacturing systems?
(A) Automated production lines
(B) Cellular manufacturing systems
(C) Flexible manufacturing systems
(D) All of these
Answer: - Automated production lines
114. Break-even analysis consists of
(A) fixed cost
(B) variable cost
(C) fixed and variable cost
(D) operation cost
Answer: - fixed and variable cost
115. Simplex method is used for
(A) linear programming
(B) value analysis
(C) concurrent engineering
(D) life cycle analysis
Answer: - linear programming
116. Perpetual motion machine of first kind (PMM1) is the machine which violates ___________
(A) Kelvin-Planck statement
(B) Clausius statement
(C) first law of thermodynamics
(D) none of these
Answer: - first law of thermodynamics
117. At 100% relative humidity, the wet bulb temperature is
(A) lower than the dew point temperature
(B) higher than the dew point temperature
(C) equal to the dew point temperature
(D) none of these
Answer: - equal to the dew point temperature
118. The flow of steam is supersonic _________ of the nozzle.
(A) at the throat
(B) at the entrance
(C) in the divergent portion
(D) in the convergent portion
Answer: - in the divergent portion
119. On psychrometric chart, wet bulb temperature lines are
(A) horizontal with uniformly spaced
(B) horizontal with non-uniformly spaced
(C) inclined with uniformly spaced
(D) inclined with non-uniformly spaced
Answer: - inclined with non-uniformly spaced
120 .Which among the following is the basic air standard cycle for all modern gas turbine plants?
(A) Brayton cycle
(B) Rankine cycle
(C) Otto cycle
(D) Diesel cycle
Answer: - Brayton cycle
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