Q 1. What is shock loss?
a. Loss in resistance
b. Loss in velocity
c. Loss in pressure
d. Loss in quantity
Q 2. Resistance is produced due to
a. Obstructions in airways
b. Bends
c. Change in cross-section areas
d. All of the above
Q 3. What is law of continuity in a mine
a. Same volume of airflow across airways
b. Same velocity of air across airways
c. Same pressure across airways
d. None of these
Q 4. Shock loss is generally referred as
a. Head loss
b. Tail loss
c. Velocity loss
d. Quantity loss
Q 5. A wooden material offers _________ resistance compared to that metal or alloy
a. Less resistance
b. More resistance
C. Equal resitance
d. Cannot say