Drilling And Blasting - Practice Test

(A) Hade

(B) Split

(C) Resistance

(D) All of these

(B) Split

(A) 4.2 m × 2 m

(B) 3 m × 1.8 m

(C) 2 m × 1.8 m

(D) 2 m × 2 m

(A) 4.2 m × 2 m

(A) Changing the rotation of motor

(B) By changing the doors

(C) Changing blades

(D) All of these

(A) Changing the rotation of motor

(A) $$frac{1}{{HP}} propto {N^2}{ ext{ or }}{V^2}{ ext{ or }}{Q^2}$$

(B) $$HP propto {N^3}{ ext{ or }}{V^3}{ ext{ or }}{Q^3}$$

(C) $$frac{1}{{{N^3}}} propto {V^3}{ ext{ or }}{Q^3}{ ext{ or }}{N^3}$$

(D) None

(B) $$HP propto {N^3}{ ext{ or }}{V^3}{ ext{ or }}{Q^3}$$

(A) Moderate length

(B) Quite long

(C) Quite short

(D) All of these

(A) Moderate length

Drilling And Blasting - Study Mode