A. direct combustion
B. fermentation
C. both A and B
D. none of these
Correct Answer: both A and B ✔
Last Updated: February 11, 2021
Related MCQs
- __________ cells converts solar energy into electrical energy?
- Geothermal energy is a __________ source of energy?
- Propulsion force of a rocket is__________?
- The area under the force displacement graph represents__________?
- A man lifts vertically a weight of 40kg through 1m in 10s; while a chile lifts vertically a weight of 10kg through a distance of 1m in 1s. What will be correct inference ?
- When two protons are brought together__________?
- The relation between the escape velocity V esc and orbital speed Vo is given by__________?
- Work has the dimension as that of same as that of__________?
- One mega watt hour is equal to__________?
- When the speed of a moving body is doubled then__________?
- Gravitational P.E of a body has__________?
- The highest value of escape velocity in solar system is planet__________?
- The tides raise the mater in the see roughly in a day__________?
- Work done on the body equals to the __________?
- Slope of work time graph is equal to__________?
- The relation between horse power and watt is__________?
- An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is__________?
- Which of the following types of force can do no work on the particle on which it acts ?
- A field in which the work done in a moving a body along closed path is zero is called__________?
- Work done will be maximum if the angle between the force F and displacement d is__________?
- On a clear day at noon the solar energy reaching the earth is __________?
- The source of tidal energy is__________?
- The dot product of force and velocity is__________?
- The dimension of power is__________?
- The work done by friction is__________?
- When arrow is released form its bow, its energy is transformed from __________?
- If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is __________?
- The escape velocity form the earth surface in km S-1 is__________?
- The consumption of energy by a 60 watt bulb in 2 sec is__________?
- Which of the following is not conservative force__________?
- If velocity is doubled then__________?
- Work done by the force of friction is__________?
- The source of geothermal energy is__________?
- The escape velocity of a body in gravitational field of earth is independent of__________?
- Work done by variable force is determine by dividing__________?
- Proton electron neutron and a particles have same momentum. Which of them have highest K.E ?
- The average power and instantaneous power become equal if work is done at __________?
- If a body a mass of 2 kg is raised vertically through 2m, then the work done will be __________?
- When a force is parallel to the direction of motion of the body, then work done on the body is__________?