Explain What is positive and non-positive displacement?
Latest Answer: Positive displacement pumps are those which prevents undesirable flow and pumps the fluid within the closed space.
Ex: Reciprocating pumps, Rotary pumps. Its efficiency is more when compared to non-positive displacement pumps. Non-positive displacement ...
What is stagnation property? What are its assumptions?
Latest Answer: STAGNATION PROPERTY refers to property of fluid at 0 velocity like the condition of temp, pressure etc. there arent any assumptions as such practical case front tip of an aeroplane. ...
What is the material of Vernier Calliper?
Latest Answer: Stainless Steel with Iron Carbide tips. ...
What is uncertainty of measuring tool? How is it found?
What is Stress Concentration? Give numerical examples.
Latest Answer: It is the concentration of stress at a particular point or region such as holes, sharp edges, corners etc., This is due to the reduced cross section area.As we know stress= force / area........The above equation indicates that stress is inversely proportional ...
Which material is used for propeller shaft ?why?
Latest Answer: The stainless steels often used for propeller shafts include Types 303, 304,
316, and 630. All stainless steel shafting is strong, especially the 630 type
(which is also known as "17-4 PH"). Stainless steel shafting in salt water is
more-or-less ...
What is Petrol Calorific Value?
Latest Answer: The calorific value of the petrol is 48,000kJ/kg.The highest calorific value fuel is hydrogen is 141,790 kJ/kg. ...
What is hybrid vehicle? Where it is being used? How is it beneficial over the Ordinary Vehicle?
Latest Answer: A hybrid vehicle is a vehicle mostly that uses both electric motor and the engine as a power source. During idling---it uses only the engine power .During acceleration---it uses both engine and motor .During braking --- engine power is used to charge ...
What is the minimum set of inspection equipment which we have to keep at site to inspect blasting and painting?
Latest Answer: Blasting surface profile gauge,
Wet film thickness gauge,
Dry film thickness gauge ...
Hydro testing is done with respect to which API Standard?
Latest Answer: American Petroleum Institute 650 ...
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