Quartz is a __________ material.
Diamagnetic
Ferromagnetic
Ferroelectric
Piezoelectric
- __________ wire is never used for making the heating element.
- Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same…
- Damage to metal surface by mechanical action is called
- According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point…
- In the blast furnace, incorporation of water vapour in the blast gives the following effect.
- Absolute zero pressure can be attained at a temperature of
- Normalising does not __________ of a metal.
- In electrical resistance welding, distortion results from the use of improper
- In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 =…
- Alloy powder manufactured by the following process have spherical shapes.
- In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb…
- Quartz is a __________ material.
- Biological shield in a nuclear reactor is generally provided to protect against the
- One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
- In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The…
- A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
- Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare…
- Maraging steels derive their strength from the following mechanism:
- Gratings is associated with the measurement of
- The most important function of a washer is to provide bearing area and washers are normally specified…
- Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
- The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.
- Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…
- Breakeven point represents the condition, when the company runs under no profit no loss condition. In…
- __________ pipe is the most suitable for carrying sanitary drainage.
- Glass reacts with
- A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
- __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
- Which of the following metals is not subjected to electrolytic refining/purification?
- Plasma is