Chemical Engineering Basics - Chemical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Presence of nickel & chromium in steel does not raise its

elastic limit

machining properties

ductility

resilience

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Hot extrusion process is not used for making

cast iron pipe for domestic water supply.

aluminium curtain rods.

stainless steel tubes used in furnitures.

any of these.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Addition of __________ to steel does not help in improving its machinability.

sulphur

silicon

lead

phosphorous

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Quartz is a __________ material.

diamagnetic

ferromagnetic

ferroelectric

piezoelectric

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

The units of the rate constant for a second order reaction are

sec^-1. mole°.

moles¹. sec^-1.

moles^-1. sec¹.

moles¹. sec¹.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

The most serious manufacturing defect from fracture toughness point of view is

surface roughness

pores

spherical inclusion

crack

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Leakage in a cooking gas cylinder is detected by

radio-isotopes.

pouring soap solution on the surface and locating the gas bubbles.

halide torch.

pungent smell of mercaptans present in the gas.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Aluminium carbide

Tungsten carbide

Nickel carbide

Iron carbide

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

159

1837

2537

10000