MCQ 7 The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

(A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

MCQ 14 Plywood has the advantage of

(A) Greater tensile strength in longer direction (B) Greater tensile strength in shorter direction (C) Same tensile strength in all directions (D) None of the above

MCQ 13 Excess of alumina in brick earth makes the brick

(A) Impermeable (B) Brittle and weak (C) To lose cohesion (D) To crack and warp on drying

MCQ 1 Pick up the correct statement from the following:

(A) In stone arches, the stones are placed with their natural beds radial (B) In cornices, the stones are placed with their natural beds as vertical (C) In stone walls, the stones are placed with their natural beds as horizontal (D) All of the above

MCQ 6 Inner part of a timber log surrounding the pitch, is called

(A) Sapwood (B) Cambium layer (C) Heart wood (D) None to these

MCQ 2 If is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

(A) 0.70 P (B) 0.75 P (C) 0.80 P (D) 0.85 P

MCQ 12 Which of the following is the purest form of iron?

(A) Cast iron (B) Wrought iron (C) Mild steel (D) High carbon steel

MCQ 3 If the iron ore contains clay as an impurity, the flux added during calcination, is

(A) Clay (B) Lime stone (C) Argillaceous iron ore (D) All of the above

MCQ 8 The plywood

(A) Has good strength along the panel only (B) Can be spilt in the plane of the panel (C) Has greater impact resistance to blows than ordinary wood (D) Cannot be bent more easily than ordinary wood of same thickness

MCQ 4 Pick up the correct statement from the following:

(A) Solder material is an alloy which melts at a temperature above 400?C (B) Brazing is done at temperature above 600?C to 1100?C (C) Brazing joint is stronger than the solder joint (D) All of the above

MCQ 11 During pudding

(A) Molten metal is kept clear of the fuel (B) Carbon is converted into carbonic acid gas (C) Silicon forms a slag (D) All of the above

MCQ 5 Which of the following cements contains maximum percentage of dicalcium silicate?

(A) Ordinary Portland cement (B) Low heat cement (C) Rapid hardening cement (D) Sulphate resisting cement

MCQ 9 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

MCQ 15 Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below:

(A) Both A and R is true and R is the correct explanation of A (B) Both A and R is 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

MCQ 10 Putty is

(A) Made with finely powdered chalk and linseed oil (B) Used for fixing glass panes (C) Softened by a solution of pearl ash and quick-lime soaked in water (D) All of the above