CHEMICAL ENGINEERING BASICS QUIZ

At the point of boundary layer separation in fluid flow, the

Density variation is maximum

Velocity gradient is flat

Shear stress is maximum

Shear stress is zero

TRUE ANSWER : ?
YOUR ANSWER : ?

The most suitable material of construction for a sewer to carry sewage under high pressure is

Steel

Stoneware

Cement concrete

Asbestos cement

TRUE ANSWER : ?
YOUR ANSWER : ?

Buoyancy force depends on the __________ the liquid.

Viscosity of

Depth of immersion in

Displaced mass of

Surface tension of

TRUE ANSWER : ?
YOUR ANSWER : ?

Alloys having more than 80% copper are generally more

Abrasion resistant

Prone to season cracking

Corrosion resistant

Machinable

TRUE ANSWER : ?
YOUR ANSWER : ?

Source of heat supply in a cupola is

Lumpy coal

Charcoal

Pulverised coal

Coke

TRUE ANSWER : ?
YOUR ANSWER : ?

Load cells used for the measurement of weight has

Compact & rugged construction with an accuracy of 0.1 to 1%

All of these

Provision of thermal compensation and is hermetically sealed

No moving parts and incurs negligible deflection under load

TRUE ANSWER : ?
YOUR ANSWER : ?

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

0.95902777777778

0.70902777777778

1.2090277777778

0.37569444444444

TRUE ANSWER : ?
YOUR ANSWER : ?

With increase in steam pressure, its specific volume decreases

Slowly first and then rapidly

Linearly

Exponentially

Rapidly first and then slowly

TRUE ANSWER : ?
YOUR ANSWER : ?

Stretcher strains found in a low carbon sheet are associated with the

Yield point phenomenon

Thickness of the sheet

Dislocation density

Texture

TRUE ANSWER : ?
YOUR ANSWER : ?

Notched bar test is used for testing the __________ of a material.

Machinability

Impact strength

Endurance limit

Corrosion resistance

TRUE ANSWER : ?
YOUR ANSWER : ?