Mining Machinery - Study Mode

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[#161] Rope is built up of strands and each strand consists of number of concentrically twisted wire laid in the form of halex round a central steel wire called . . . . . . . .

(A) Strand

(B) Helied

(C) Non strand

(D) Running

Correct Answer

(A) Strand

[#162] Six standed rope the space factor is between . . . . . . . .

(A) 70%

(B) 75%

(C) 50 - 60%

(D) 80%

Correct Answer

(C) 50 - 60%

[#163] It is the measure of energy increases per unit weight of liquid imparted to the liquid by the pump called . . . . . . . .

(A) Total suction head

(B) Total head

(C) Static head

(D) Suction head

Correct Answer

(B) Total head

[#164] Number of cage chains in case of tandem cage . . . . . . . .

(A) 2

(B) 4

(C) 6

(D) 8

Correct Answer

(C) 6

[#165] Lashing chain employed . . . . . . . . type of endless haulage.

(A) Under rope

(B) Over rope

(C) Disc

(D) Gathering

Correct Answer

(B) Over rope