Related Questions

Oxide layer formed on the non-ferrous metal surface after its annealing is
A Removed by acid pickling
B Hammered into the surface
C Removed with coarse emery cloth
D Left as such to protect the surface
In heating the ferromagnetic material by induction heating, heat is produced due to
A Induced current flow through the charge
B Hysteresis loss taking place below Curie temperature
C Due to hysteresis loss as well as eddy current loss taking place in the charge
D None of the above factors
Heating wet steam at constant temperature is heating it at constant
A Volume
B Pressure
C Entropy
D Enthalpy
In resistance heating highest working temperature is obtained from heating elements made of
A Nickel copper
B Nichrome
C Silicon carbide
D Silver
Calculate the total rainfall in an interval, where volume of the bucket is taken as 24cu.m. and time interval N is 3.
A 72 cu.m
B 2cu.m
C 8cu.m
D 72sq.m
Two buses start from a bus terminal with speed of 20 km/h at interval of 10 minutes. What si the speed of a man coming from the opposite direction towards the bus terminal if he meets thebuses at interval of 8 minutes?
A 3 km/h
B 4 km/h
C 5 km/h
D 7 km/h
Two buses start from a bus terminal with a speed of 20 km/h at interval of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at interval of 8 minutes?
A 3 km/h
B 4 km/h
C 5 km/h
D 7 km/h
Gross heating value of coal is __________ the net heating value.
A Higher than
B Lower than
C Same as
D None of these
The ___________ method must add the scaling transformation described by the arguments to the transformation matrix.
A scale(x, y)
B translate(x, y)
C rotate(angle)
D skew(x,y)
__________ furnace is generally used in the non-ferrous foundaries.
A Direct arc
B Indirect arc
C Resistance
D Induction

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