॥ Organizing for safety
10. Scheduling for safety
1೪. Controlling for safety
Aci Ill and IV are correct
Bell ॥ 04 IV are correct
Cel, Hand ۱۷ are correct
De, and ‏الا‎ are correct
Correct Answer: Option-C
Question26:-Determine the amount of cement per Unit volume of concrete from
‏ناک نظ‎ value
B:-The maximum size of aggregate
एना amount of mixing water
Di-The maximum size of aggregate and the amount of mixing water

Correct Answer: Option-D

‘Question29:-A 12.5 mL of treated wastewater requires 187.5 mL of odour free distilled water to reduce the odour to a level that is just perceptible. What is the Threshold Odour
Number (TON) for the wastewater sample ?

Correct Answer: Option:

‘Question30:-If L, 8, H are the length, breadth (width) and depth of a rectangular sedimentation tank having total discharge 0, then the settling velocity of a particle (sediment) is given
by

೦/೫
B:-QIBL
‏ارون‎
‎D-None of these
Correct Answer: Option ®
Question31:-ffa smoke chimney were to emit air pollutants into an unstable atmosphere we expect the plume to be
‘Acconing
B:-fumigation
നിയ
D-looping
Correct Answer:- Option-D
Question32:-Air Quality Index (80) category is poor (in India), if the ‏لهم‎ value is,
101200
B:-201-300
೦-30-400
401-500
Correct Answer: Option ®
Question33:-The permissible limit of total hardness (as Caco, in mg/L) in drinking water as per IS 10500:2012 is
4-200
‏0ھ‎
‎೦-400
‎D600

Correct Answer: Option-D

Question34:-The work done by the pump to lift 0.1 പിട of water to a height of 10 m is (Neglect frictional loss and other losses and assume the value of unit weight of water as 10 kN/
ற்‌)

۸:۷
8:2 kW
‏مد‎ ۷

D:-100 kW