Convection Types MCQ (Multiple Choice Questions) PDF - 110

MCQ 546: With convection, the current surface air temperature on the Earth is

1. 35 °C
2. 52 °C
3. 49 °C
4. 15 °C

MCQ 547: When an object is raised to a certain height above the ground, it has

1. gravitational kinetic energy
2. gravitational chemical energy
3. gravitational heat energy
4. gravitational potential energy

MCQ 548: The conversion formula from kelvin to Celsius is

1. (T/K)+273
2. (T/K)-273
3. (K/T)-273
4. (K/T)+273

MCQ 549: When we add two vectors, the single vector as a result is known as the

1. parallel vector
2. constant vector
3. final vector
4. resultant vector

MCQ 550: John pushed a trolley in a departmental store, he exerted 20 N force to a 3 m distance. The work done by him is

1. 6.6 J
2. 17 J
3. 23 J
4. 60 J