Related Questions

The cleaner……….. is waiting outside.
A about who I spoke
B I spoke about him
C I spoke about
D about whom I spoke of
Which one is nature's cleaner?
A Consumers
B Producers
C Decomposers and Scavengers
D Symbionts
The Diesel engines as compared to petrol engines require
A Bigger flywheel
B Smaller flywheel
C Same size of flywheel
D No flywheel
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as ________ double cover butt joint.
A Single riveted
B Double riveted
C Multi riveted
D None of these
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.
A Single riveted
B Double riveted
C Both (A) and (B)
D None of these
In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of
A Transportation of coal
B Drying of coal
C Combustion of coal by supplying it around the burner
D Preheating the primary air
The air-fuel ratio in petrol engines is controlled by
A Controlling valve opening/closing
B Governing
C Injection
D Carburetion
In spark ignition petrol engines maximum emission of Nox takes place when the air fuel ratio (A/F) is
A Very weak mixture and A/F ratio about 19
B Weak mixture and A/F ratio about 17
C Chemically correct mixture and A/F ratio about 15
D Rich mixture and A/F ratio about 13.
The object of providing masked inlet valve in the air passage of compression ignition engines is to
A Enhance flow rate
B Control air flow
C Induce primary swirl
D Induce secondary turbulence
Of the 65 cars on a car lot, 45 have air conditioning, 30 have power windows, and 12 have both air conditioning and power windows. how many of the cars on the lot have neither air conditioning nor power windows?
A 2
B 8
C 12
D 18

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