MCQOPTIONS

Explore topic-wise MCQs in Thermodynamics.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.	The microbe for Malaria is carried by
A.	Male Anopheles mosquito
B.	Female Anopheles Mosquito
C.	Male Aedes mosquito
D.	Female Aedes mosquito
Answer» C. Male Aedes mosquito

2.	A common preservative used in jam and pickles is
A.	Sodium benzoate
B.	Nitric acid
C.	Sodium Chloride
D.	Copper Sulphate
Answer» B. Nitric acid

3.	Lactobacillus is commonly found in
A.	Cake
B.	Curd
C.	Bread
D.	All of the above
Answer» C. Bread

4.	Rhizobium found in root nodules of leguminous roots is an
A.	Atmospheric Carbon fixer
B.	Atmospheric Oxygen fixer
C.	Atmospheric Nitrogen fixer
D.	All of the above
Answer» D. All of the above

5.	Examples of Multicellular Microorganism are
A.	Algae, Bacteria
B.	Bacteria and Fungi
C.	Bacteria and Viruses
D.	Algae and Fungi
Answer» E.

6.	The process of conversion of sugar into alcohol by yeast is called
A.	Fermentation
B.	Pasteurisation
C.	Alcoholism
D.	All of the above
Answer» B. Pasteurisation

7.	Diseases like polio and chicken pox are caused by _______
A.	Bacteria
B.	Fungi
C.	Virus
D.	Worms
Answer» C. Virus

8.	The pores in the bread is due to gas bubbles of
A.	Oxygen
B.	Nitrogen di oxide
C.	Nitrogen
D.	Carbon di oxide
Answer» E.

9.	Deliberately injecting weak microbes into a healthy body and producing antibodies to fightagainst strong microbes is called _______
A.	Medication
B.	Antibiotics
C.	Vaccination
D.	All of the above
Answer» D. All of the above

10.	Some medicines obtained from micro-organisms are applied to kill or stop the growth ofdisease-causing microorganisms. Such medicines are called ______.
A.	Antibodies
B.	Antibiotics
C.	Antiseptics
D.	All of the above
Answer» C. Antiseptics

11.	The temperature-entropy plot and enthalpy-entropy plot are commonly used.
A.	true
B.	false
Answer» B. false

12.	THE_TEMPERATURE-ENTROPY_PLOT_AND_ENTHALPY-ENTROPY_PLOT_ARE_COMMONLY_USED.?$
A.	true
B.	false
Answer» B. false

13.	Which_of_the_following_statement_is_true?$
A.	the temperature-entropy plot shows the vapour dome and the lines of constant volume, constant pressure, constant enthalpy, constant entropy and constant superheat
B.	the scale of temperature-entropy plot is small which limits its use
C.	enthalpy-entropy plot has a larger scale to provide data suitable for many computations
D.	all of the mentioned
Answer» E.

14.	Which of the following statement is true about a chart of thermodynamic property?
A.	the manner of variation of properties is clearly given in a chart
B.	there is no problem in interpolation
C.	the precision is not as much as in steam tables
D.	all of the mentioned
Answer» E.

15.	Specific volume of the mixture is given by
A.	(1+x)vf + (x)vg
B.	(1-x)vf + (x)vg
C.	(1-x)vf ‚Äö√Ñ√∂‚àö√ë‚àö¬® (x)vg
D.	none of the mentioned
Answer» C. (1-x)vf ‚Äö√Ñ√∂‚àö√ë‚àö¬® (x)vg

16.	Voidage is given by
A.	specific volume of saturated vapour / specific volume of liquid vapour mixture
B.	specific volume of liquid vapour mixture / specific volume of saturated vapour
C.	specific volume of saturated liquid / specific volume of liquid vapour mixture
D.	specific volume of liquid vapour mixture / specific volume of saturated liquid
Answer» B. specific volume of liquid vapour mixture / specific volume of saturated vapour

17.	Total volume of a liquid vapour mixture is given by
A.	volume of the saturated liquid
B.	volume of the saturated vapour
C.	sum of volumes of saturated liquid and saturated vapour
D.	none of the mentioned
Answer» D. none of the mentioned

18.	If 1 kg of liquid-vapour mixture is considered and x is the quality of that mixture, then
A.	mass of vapour is x kg
B.	mass of liquid is (1-x) kg
C.	both of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

19.	Quality indicates the
A.	mass fraction of liquid in a liquid vapour mixture
B.	mass fraction of vapour in a liquid vapour mixture
C.	both of the mentioned
D.	none of the mentioned
Answer» C. both of the mentioned