Use of water as a manometric liquid suffers from the disadvantage of its
Low vapour pressure
Corrosive nature
High vapour pressure
High boiling point
- Which of the following properties of a solid is not dependent on crystal imperfection?
- Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
- Out of the following, the joint produced by __________ has the lowest strength.
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
- Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
- Wrought iron is never shaped by
- The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation…
- Auto collimator is used to check
- Broaching tools are usually made of
- Leakage in a cooking gas cylinder is detected by
- Which of the following represents the correct time-temperature curve when a block of metal is heated…
- The highest stress that a material can withstand for a specified length of time without excessive deformation…
- About __________ ton of coke is required in a cupola to produce one ton of casting.
- Brittleness induced due to the presence of sulphur in steel can be reduced by adding
- The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a…
- The pressure outside a bubble/droplet of liquid is __________ the internal pressure.
- A form of stress corrosion failure termed as 'season cracking' is generally observed in
- Often earing defects are found during deep drawing operation, because the
- Shaft/rotor speed is most accurately measured by a
- Pick out the wrong statement.
- Temper brittleness of a material can be fairly detected by the __________ test.
- Which of the following metals is the most prone to work hardening?
- Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam…
- Pick out the wrong statement.
- Stresses encountered in the metal forming processes are less than the __________ of the material.
- Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
- Out of the following, the __________ pipe has the least corrosion resistance.
- In case of compression of one kg of air, the work done will be the least, when the value of polytropic…
- Good design of the casing of a centrifugal pump aims at minimising the
- The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…