WorksheetsEC-IAT-II
Total questions: 25
Worksheet time: 17mins
What is Nichrome?
Cu & Zn
Cu & Sn
Cr & Ni
Pb & Ag
What are alloys with two components called?
Binary alloy
Ternary alloy
Quaternary alloy
Above all
Which of these is not a function of heat treatment of steels?
Increases strength
Improves ductility
Reduces cost
Improves machinability
An alloy is a
Pure metal
A mixture of metals in any proportion
A mixture of metals in a fixed proportion
A mixture of two non-metals
Which of the following is not an alloy?
Steel
Copper
Brass
Bronze
By adding chromium to steel which of the following property is enhanced?
Resistance to corrosion
Electrical characteristics
Magnetic property
Ductility
Bronze is used for making medals.
TRUE
FALSE
Which of the following alloy is used in making automobile & chemical equipment?
Nichrome
Stainless steel
Brass
Bronze
Which of these is not an application of stainless steel?
Making Household utensils
Surgical instruments
Automobile parts
Making resistance coils
Steels containing 18% of Cr & 8% Ni are known as ________
Stainless steel
Nichrome
18/8Stainless steel
Brass
What does Gibb’s phase rule state?
F=C-P+1
F=C-P+2
F=C+P+2
F=P-C+2
What is the point at which all the three phases of a system exist?
Triple point
Sublimation point
Vapor point
Eutectic point
Select the wrong statements from the following statements with respect to a phase rule
Gives information about the concentration
Gives information about Pressure
Gives information on Temperature
Gives information on magnetic forces
Which of the following is the formula for condensed phase rule?
F=C-P+2
F’=C-P+1
F=C+P-2
F=C+P-1
What is the C & P in the following system?
PCl5 (S) PCl3 (l) + Cl2 (g)
3C & 3P
3C& 2P
2C& 3P
2C & 2P
For water system, the number of phases at the triple point is _____________
0
1
2
3
What is the degree of freedom in the Eutectic point?
1
2
3
0
What are the degrees of freedom of a system with a mixture of water and ice?
1
2
3
4
What is the degree of freedom of a system with 2 phases and 1 component?
0
1
2
3
What is the C & P in the following system?
CuSO4.5H2O (S) GIVES CuSO4.3H2O (S) + 2H2o(g)
3C & 3P
3C& 2P
2C& 3P
a2C & 2P
What is the main constituent of fuels
C & H
C & N
C & S
C & O
Select the wrong statements from the following statements with respect to the fuel
Fuel is a combustible substance
Nitrogen and oxygen is a main constituent of fuel
Liberates larger amount of heat
Oxygen is required for the combustion
Which of the following is the secondary fuel?
Coal
Natural gas
Coke
Crude oil
State true or false. Moisture content is determined by ultimate analysis
TRUE
FALSE
Select the correct statements from the following statements.
Moisture content will increase the calorific value
Carbon content will decrease the calorific value
Nitrogen does not have a calorific value
Volatile content will increase the calorific value
