41. The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as
(A) impact energy
(B) proof resilience
(C) proof stress
(D) modulus of resilience
Answer: - proof resilience
42. A vertical column has two moments of inertia (i.e. Ixxand Iyy). The column will tend to buckle in the direction of the
(A) axis of load
(B) perpendicular to the axis of load
(C) maximum moment of inertia
(D) minimum moment of inertia
Answer: - minimum moment of inertia
43. Any point on a link connecting double slider crank chain will trace a
(A) straight line
(B) circle
(C) ellipse
(D) parabola
Answer: - ellipse
44. Crowning on pulleys helps
(A) in increasing velocity ratio
(B) in decreasing the slip of the belt
(C) for automatic adjustment of belt position so that belt runs centrally
(D) increase belt and pulley life
Answer: - for automatic adjustment of belt position so that belt runs centrally
45. Resilience of a material is important, when it is subjected to
(A) combined loading
(B) fatigue
(C) thermal stresses
(D) shock loading
Answer: - shock loading
46. Spring index is
(A) ratio of coil diameter to wire diameter
(B) load required to produce unit deflection
(C) its capability of storing energy
(D) indication of quality of spring
Answer: - ratio of coil diameter to wire diameter
47. String diagram is used when
(A) team of workers is working at a place
(B) material handling is to be done
(C) idle time is to be reduced
(D) all of the above
Answer: - team of workers is working at a place
48. ABC analysis deals with
(A) analysis of process chart
(B) flow of material
(C) ordering schedule of job
(D) controlling inventory cost
Answer: - controlling inventory cost
49. In Halsey 50-50 plan, output standards are established
(A) by time study
(B) from previous production records
(C) from one’s judgement
(D) all of the above
Answer: - from previous production records
50. Delta iron occurs at temperature of
(A) room temperature
(B) between 1400°C and 1539°C
(C) between 910°C and 1400°C
(D) none of the above
Answer: - between 1400°C and 1539°C
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