OC userin Engineering·8 May 2019If we take a liter of hot water filled in a pot at room temperature then which pot will cool it faster? It depends on the size and material of the pot It will cool faster in silver-colored pot It will cool faster in black-colored pot It will depend upon the material of pot, size, and color
OC userin Engineering·20 Feb 2019What is the difference between a radio wave and a light wave? How does a light wave differ from an X-ray?
OC userin Engineering·30 Apr 2019What will be the amount of net force when an object is falling down with constant velocity?
OC userin Engineering·5 Sep 2019Some of the statement regarding a steam engine are mentioned below. Mark the correct option as your answer.Mark the correct answer. Stream engine is an external combustion engine Heat is converted into work in a steam engine Steam is useful in driving the piston All of the above
OC userin Engineering·9 Jun 2019Define the specific heat capacity. What are the units of specific heat capacity in the different systems of unit?
OC userin Engineering·4 Jul 2019Evaluate the value of the acceleration for a force of 10 Newton that drives a block of 5 kg mass.
OC userin Engineering·30 May 2019Read all the following statements about the electric generator and identify the correct statement. An electric generator converts magnetic energy into electrical energy. An electric generator converts AC into DC An electric generator converts electrical energy into hydraulic energy An electrical generator converts mechanical energy into electrical energy
OC userin Engineering·1 Feb 2019Below are the statements about entropy. Identify the correct statement. There is no change in entropy for a reversible process Entropy for an irreversible process always decreases The unit of entropy is KJ/mol Entropy of an isolated system always decreases
OC userin Engineering·28 Sep 2019We know that wind power is a non-conventional source of energy but there are some limitations associated with it. Discuss the limitations.
OC userin Engineering·31 Jan 2019Which of the following speed can be associated with astronomy? 80 meter/second towards the south 100 light-years 500 rotation per second 15 light-years per 1 million years
OC userin Engineering·26 Sep 2019An old machine is replaced by a new machine. The new machine is doing thrice the work in thrice the time. By what amount will the power of the new machine expand in comparison to the old machine?
OC userin Engineering·28 Sep 2019What are different gas laws that are useful in a thermodynamic system?
OC userin Engineering·3 Jan 2019If we discuss the motion of the skater then at which location on the track will the skater's kinetic energy be the greatest?