Which of the following gradients exerts maximum influence on properties of steel?
(A) iron
(B) carbon
(C) manganese
(D) sulphur
Which of the following should be used for hearting of thicker walls ?
(A) headers
(B) stretchers
(C) brick bats
(D) queen closer
The stretcher bond in brick masonry can be used only when the thickness of wall is_____________?
(A) 90 mm
(B) 180 mm
(C) 190 mm
(D) 280 mm
A queen closer is a______________?
(A) brick laid with its length parallel to the face or direction of wall
(B) brick laid with its breadth parallel to the face or direction of wall
(C) brick having the same length and depth as the other bricks but half the breadth
(D) brick with half the width at one end and full width at the other
The pressure acting on the stones in stone masonry construction should be_____________?
(A) along the direction of bedding planes
(B) at 45° to the direction of bedding planes
(C) at 60° to the direction of bedding planes
(D) perpendicular to the direction of bedding planes
Percentage of carbon content in mild steel is_______________?
(A) less than 0.25
(B) between 0.25 and 0.7
(C) between 0.7 and 1.5
(D) greater than 1.5
The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is______________?
(A) less than 1
(B) equal to 1
(C) greater than 1
(D) less than 1 in beams but greater than 1 in channels
Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below ?
(A) Both A and R are true and, R is the correct explanation of A
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true
Which of the following stresses is used for identifying the quality of structural steel ?
(A) ultimate stress
(B) yield stress
(C) proof stress
(D) none of the above
Paints with white lead base are suitable for painting of______________________?
(A) wood work
(B) iron work
(C) both wood work and iron work
(D) none of the above