# Characteristics of Atmosphere Online Exam Quiz

Characteristics of Atmosphere GK Quiz. Question and Answers related to Characteristics of Atmosphere. MCQ (Multiple Choice Questions with answers about Characteristics of Atmosphere

### According to ISA atmospheric model what is the value of datum atmospheric pressure in N/m2?

**Options**

A : 101325

B : 101335

C : 101336

D : 101326

### At the equator the mean seasonal variation is small and the mean temperature is high whereas at the poles the mean seasonal variation is large and the mean temperature is low.

**Options**

A : TRUE

B : FALSE

C : -

D : -

### At which speed the maximum rate of climb occurs?

**Options**

A : u=0.76

B : u=0.98

C : u=1

D : u=2

### Regions of low pressure, cyclones and high pressure, anti-cyclones are formed by effects of convection currents in the atmosphere.

**Options**

A : TRUE

B : FALSE

C : -

D : -

### The best gradient of climb is attained at ___

**Options**

A : airspeed below maximum drag speed

B : airspeed below maximum power speed

C : airspeed below minimum power speed

D : airspeed below minimum drag speed

### The best rate of climb is attained at ___

**Options**

A : airspeed above maximum drag speed

B : airspeed above maximum power speed

C : airspeed above minimum power speed

D : airspeed above minimum drag speed

### The rate of climb of an aircraft is measured by ___

**Options**

A : variometer

B : altimeter

C : pitot-static prob

D : gyroscope

### The ratio of specific heats (?) of air is ___

**Options**

A : 1.6

B : 1.7

C : 1.4

D : 1.8

### What are the percentages of nitrogen, oxygen, argon and carbon dioxide in atmosphere?

**Options**

A : 78%, 21%, 0.9%, 0.03%

B : 75%, 24%, 0.7%, 0.03%

C : 71%, 28%, 0.9%, 0.04%

D : 75%, 24%, 0.9%, 0.05%

### What is the value of characteristic gas constant(R) in Nm/kg-K?

**Options**

A : 287.05287

B : 2.8705287

C : 2870.5287

D : 2.8705287

### Aerodynamic Relationships more Online Exam Quiz

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