Related Questions

If the radius of cylinder is halved and height is doubled , then what will be the curved surface area?
A Increase by 1
B The same
C Double
D Triple
if the radious of cylinder is halved and height is doubled, then what will be the curved surface area
A increase by one
B the same
C double
D triple
If the radius of cylinderis halved and height is doubled, then what will be the curved surface area?
A increase by 1
B the same
C double
D triple
The height of a cylinder is four times the radius of the cylinder. If the volume of the cylinder is 256 cm², what is the radius of the cylinder.
A 4 cm
B 8 cm
C 16 cm
D 24 cm
If the radius of the base of a right circular cylinder is halved, keeping the height same, what is the ratio of the volume of the reduced cylinder to that of the original one ?
A 1 : 2
B 1 : 4
C 1 : 8
D 8 : 1
The area of the base of a cylinder is 100πm2. The volume of the cylinder is 900πm3. What is the height of the cylinder?
A 9m
B 10m
C 11m
D 12m
The area of the base of a cylinder is 100πm2. The volume of the cylinder is 900πm2. What is the height of the cylinder?
A 9m
B 10m
C 11m
D 12m
A simple spring-mass vibrating system has a natural frequency of $${{\text{f}}_{\text{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
A $$\frac{{{{\text{f}}_{\text{n}}}}}{2}$$
B $$2{{\text{f}}_{\text{n}}}$$
C $$4{{\text{f}}_{\text{n}}}$$
D $$8{{\text{f}}_{\text{n}}}$$
For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of
A 1
B 1.74
C 6.1
D 37
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these

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