Home
PDF Store
Exams
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
Home
All MCQ
Exams
PDF Store
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
What is the correct answer?
4
Drossing is a __________ operation.
A.
Smelting
B.
Dressing
C.
Roasting
D.
Dressing
Correct Answer :
C. Roasting
Related Questions
Which of the following if present in iron ore, enhances its value?
Powder metallurgy is used to produce
Which of the following is not a charge material for cupola?
Eutectic reaction for iron-carbon system occurs at a temperature of __________…
Larger length & diameter water pipes are made by
For grinding of softer materials, the grinding wheel should have __________…
Which of the following are considered applications of ultrasonic testing?
A steam pipe is intended to be insulated with two layers of insulating…
Specific __________ is a dimensionless quantity.
Compressed dry air is used as the cutting fluid, while machining
Pearlite comprises of
A furnace is made of a refractory brick wall of thickness 0.5 metre and…
Which of the following is an ore dressing operation?
Sand used to stop the green sand from sticking to the pattern is termed…
Glass reacts with
Out of the following, the most malleable material is
The pressure outside a bubble/droplet of liquid is __________ the internal…
Resistance of an electrical conductor is proportional to its (where, l…
Maximum amount of thermal radiation is emitted at all wavelengths at any…
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
Electrochemical corrosion can occur, only if __________ is present in…
Brittleness induced due to the presence of sulphur in steel can be reduced…
__________ is the hardest material out of the following.
Which of the following materials has the least scrap value?
__________ number determines whether the fluid flow in an open channel…
About __________ ton of coke is required in a cupola to produce one ton…
__________ test determines the yield strength, Young's modulus of elasticity,…
__________ stress cannot be sustained by a fluid in equilibrium.
When an isolated thermodynamic system executes a process,
Which of the following gases cause global warming?
Also checkout
Simplification MCQ
Stocks and Shares MCQ
Accounts Fundamental MCQ
Antonyms MCQ
Thermo Electricity MCQ
Machine Design MCQ
Current Affairs August 2022 MCQ
Gravitation MCQ
General Science MCQ
Thermodynamics MCQ
Visual Basic .NET MCQ
Physiological and Anatomy of Plants MCQ