THERMAL ENGINEERING

The motion of atoms or molecules within a substance

• temperature

• thermal energy

• kinetic energy

• solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a four-stroke engine each cylinder has

• One valve

• Two valves

• Three valves

• Four valves

The motion of the cam is transferred to the valves through

• Pistons

• Rocker Arm

• Cam shaft Pulley

• Valve stems

In an isolated system, ________ can be transferred between the system and its surrounding.

• Only energy

• Only mass

• both energy and mass

• neither energy nor mass

Diesel fuel, compared to petrol is

• less difficult to ignite

• just about the same difficult to ignite

• more difficult to ignite

• highly ignitable

Ratio of indicated H.P. and brake H.P. is known as

• Mechanical efficiency

• Volumetric efficiency

• Thermal efficiency

• Relative efficiency

Odometer is an instrument used for measurement of

• power

• Fuel consumption

• Engine speed

• distance

What is full form of SI

• Simple Ignition

• Standard idling

• Spark ignition

• Solo identification

What's full form of CI

• Compression inefficiency

• Computerised injection

• Compressed injection

• Compression ignition

Mixture requirements during starting of SI engine is

• Rich

• Lean

• Stoichiometry

• Best power