Related Questions

When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as
A Single riveted lap joint
B Double riveted lap joint
C Double riveted single cover butt joint
D Double riveted double cover butt joint
Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
A i only
B ii only
C both i & ii
D neither i nor ii
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called
A lead
B steam lap
C exhaust lap
D none of the mentioned
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.
A Inner edge
B Outer edge
C Corners
D None of these
The shear stress between the two liquid layers is __________ proportional to the distance between two layers.
A Directly
B Inversely
C Both A and B
D None of these
A steam carraying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will
A Increase
B Decrease
C Remain unaffected
D May increase or decrease; depends on the thickness of each layer
Which organization will launch two missions named GOLD and ICON to explore the ionosphere?
A National Aeronautics and Space Administration (NASA)
B Indian Space Research Organisation (ISRO)
C China National Space Administration (CNSA)
D European Space Agency (ESA)
There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.
A 0.05
B 1
C 6.5
D 15
Which of the following layers of the atmosphere makes Radio Communication possible?
A Troposphere
B Thermosphere
C Ionosphere
D Stratosphere
Which of the following layers of the Earth's atmosphere provide ideal flying conditions for Jet aircraft?
A Mesosphere
B Thermosphere
C Stratosphere
D Troposphere

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