The door of a running refrigerator inside a room was left open____________________?

Which of the following statements is correct ?

A. The room will be cooled to the temperature inside the refrigerator.
B. The room will be cooled very slightly.
C. The room will be gradually warmed up.
D. The temperature of the air in room will remain unaffected.
E. any one of above is possible depending on the capacity

Related Mcqs:

The unit of mass in S.I. units is ____________________?
A. kilogram
B. gram
C. tonne
D. quintal
E. newton
Which of the following quantities is not the property of the system__________________?
A. pressure
B. temperature
C. specific volume
D. heat
E. density
Work done is zero for the following process_________________?
A. constant volume
B. free expansion
C. throttling
D. all Of the above
E. none of the above
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly_________________?
A. temperature
B. enthalpy
C. internal energy
D. entropy
E. all of the above
For same compression ratio and for same heat added_________________?
A. Otto cycle is more efficient than Diesel cycle
B. Diesel cycle is more efficient than Otto cycle
C. efficiency depends on other factors
D. both Otto and Diesel cycles are equally efficient
E. none of the above
Which of the following is an irreversible cycle_____________________?
A. carnot
B. Stirling
C. ericsson
D. all of the above
E. none of the above
Carnot cycle has maximum efficiency for__________________?
A. reversible engine
B. irreversible engine
C. new engine
D. petrol engine
E. diesel engine
In an isothermal process, the internal energy of gas molecules________________?
A. increases
B. decreases
C. remains constant
D. may increase/decrease depending on the properties of gas
E. shows unpredictable behaviour
Gases have___________________?
A. only one value of specific heat
B. two values of specific heat
C. three values of specific heat
D. no value of specific heat
E. under some conditions one value and sometimes two values of specific heat
The unit of time in S.I. units is__________________?
A. second
B. minute
C. hour
D. day
E. year.