31-Euler’s formula is applicable for which type of columns?
(A) Weak columns
(B) Long columns
(C) Short columns
(D) Strong columns
32- Which of the following relation is a mathematical expression of Grashof’s law? S, L, P and Q denote length of the smallest, longest and other two links respectively.
(A) L+P < S+Q
(B) L+S < P+Q
(C) L+S > P+Q
(D) L+P = S+Q
33- The property of a material due to which it resists fracture caused by impact load is called as
34- Transfer box is used in
(A) Front wheel Drive automobiles
(B) Rear wheel Drive automobiles
(C) Four wheel Drive automobiles
(D) Two wheeled automobiles
35- Which of the following materials is the best example of Amorphous material?
36- What will be the controlling force curve in case of spring controlled governors?
(A) A zigzag line
(D) Straight line
37- Which one of the following is a flexible coupling?
(A) Sleeve coupling
(B) Flange coupling
(C) Bushed pin type coupling
(D) Split muff coupling
38- Peaks and valleys of surface irregularities are called
39- What is the purpose of using auto-collimator?
(A) To measure small angular differences.
(B) To measure flatness.
(C) To measure concavity.
(D) To check surface linearity.
40- The wet bulb depression is zero, when relative humidity is equal to
31-(B), 32-(B), 33-(B), 34-(C), 35-(D), 36-(D), 37-(C), 38-(A), 39-(A), 40-(D)