MCQ 1 The minimum space between two cages is generally?

(A) 20 cm (B) 30 cm (C) 40 cm (D) 50cm

MCQ 15 The tensioning arrangement weights are about ____KN per 100 m depth of shallow mines and ____KNper 100 m depth for deep mines?

(A) 10:05 (B) 5;10 (C) 10:20 (D) 20:10

MCQ 10 The life of the guide ropes is?

(A) 10 years (B) 20 years (C) 5 years (D) 3.5 years

MCQ 17 The factor of safety for the drum winding is?

(A) 6 (B) 7 (C) 9 (D) 10

MCQ 14 The factor of safety for the friction winding is

(A) 16.5 to 8 (B) 9 (C) 10 (D) 12

MCQ 2 While recapping atleast ____________ long rope should be cut near the rope cappel?

(A) 1 m (B) 2 m (C) 3 m (D) 4.5 m

MCQ 22 The maximum life of the winding rope is?

(A) 10 years (B) 7 years (C) 5 years (D) 3.5 years

MCQ 3 The torques on the winding drum due to loaded cage and due to empty may be balanced as far as practicable by??

(A) Use of balancing rope? (B) Use of suitable shape of pulley (C) Changing the load on the two cages (D) Controlling the speed

MCQ 20 The method of nearly balancing the torques on the winding engine in deep shaft winding by the use of

(A) Balancing rope (B) Bi cyclo conical drum (C) Conical drum (D) Large cylindrical drum

MCQ 13 The two factors i.e torque required to raise the load and the winding speed govern?

(A) Power required for winding engine (B) Size of the motor for winding (C) Type of winder (D) Power rating of winding engine

MCQ 16 The coefficient of friction between the sheave lining and the rope is minimum of?

(A) 0.12 (B) 0.2 (C) 0.4 (D) 0.65

MCQ 4 The rope may slip over the wheel when the ratio TI:T2 exceeds a value?

(A) 1.2 to 1.3 (B) 1.4 to 1.5 (C) 1.5 to 1.61 (D) 8 to 2

MCQ 9 In very deep mining the method of winding best suited is?

(A) Drumwinding (B) Koepe winding (C) Tower mounted koepe winding (D) Blair winding

MCQ 23 The method of speed control and electric winder of large capacity i.e above 800kw is?

(A) Sheostatic control (B) Liquid control (C) Ward leonard speed control? (D) Electrical breaking?

MCQ 5 Most commonly used capel for rope haulage is?

(A) Split capel (B) Coned socket (C) Interlocking wedge type (D) Bent back wire cone socket

MCQ 25 In coned metal socket type the metal poured is ?

(A) Gunmetal (B) Brass (C) White metal (D) Babbit metal

MCQ 7 In reliance capel the tapping of wedge is?

(A) 1 in 5 (B) 1 in 10 (C) 1 in 15 (D) 1 in 20

MCQ 12 The jaws of the reliance capel are about __________ times rope diameter in length?

(A) 30 (B) 24 (C) 12 (D) 15

MCQ 6 The method of joining two wire ropes permanantly without using special fittings or attachments is called??

(A) Splicing (B) Socketing (C) Performing (D) None of the above

MCQ 19 Example of equal lay ropes is??

(A) Flattendstrand (B) Performed (C) Warrington pattern (D) None of the above

MCQ 8 The capacity of the rope to resist the kinetic shock is roughly ?

(A) Proportional to diameter of rope. (B) Inversely Proportional to diameter of rope (C) Proportional to length (D) Inversely proportional to length

MCQ 24 No rope should be allowed to remain in use after the wires have lost their diameter by?

(A) 10 % (B) 20 % (C) 30 % (D) 40 %

MCQ 21 The ratio between breaking load and total suspended rope is called?

(A) Fill factor (B) Factor of safety (C) Capacity factor (D) Bending factor

MCQ 18 The ratio between drum dia to the rope dia is called?

(A) Fill factor (B) Factor of safety (C) Capacity factor (D) Beding factor

MCQ 11 The height of the head gear is depend on the ?

(A) Skip and cage (B) Position of the drum (C) Fleet angle? (D) Depth of the shaft