Glycerine is used as a coolant in cooling of some engines instead of water, because
Its higher boiling point (290°C) increases its heat carrying capacity
Comparatively less weight of coolant is required
Smaller radiator can be used
All a, b & c
- Which of the following is the most wear resistant grade of carbide used for the cutting tools?
- Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when…
- Brinell Hardness Number (BHN) for talc is approximately in the range of
- Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same…
- A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
- Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling…
- Cold chisel & hammers are made of
- The property of material, by which a given amount of energy is absorbed by it without plastic deformation,…
- When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
- Atomic __________ of an element is a whole number.
- The refractory lining of the bottom in a basic electric arc furnace is made of
- Wood is a/an __________ material.
- If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________…
- Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
- Out of the following, the best material capable of withstanding shock & vibration without the danger…
- Steel & cast iron pipes are produced by __________ casting.
- Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
- Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while…
- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
- According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear…
- Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as
- Auto collimator is used to check
- Spherical shape of mercury droplets is due to its
- LVDT used for displacement measurement is a/an __________ transducer.
- __________ cannot increase the fatigue strength of a material.
- __________ has the highest melting point out of the following.
- A spring material should have low
- Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
- __________ temperature remains constant during adiabatic saturation process of unsaturated air.
- The cathode in an electrochemical cell always carries