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Thermal comfort & indices

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

The rate at which the chemical energy is converted into heat and work is called as ____

a)

heat loss

b)

metabolic rate

c)

metabolism

d)

heat gain

2.

___ is defined as a state in which a person experiences or expresses satisfaction with the thermal environment

a)

Thermal comfort

b)

comfort scale

c)

Thermal indices

d)

none

3.

The core body temperature is about ___

a)

38°C

b)

37°C

c)

34°C

d)

33.5°C

4.

Variations occur in ___, but also between parts of the body, depending on ___

a)

time

b)

clothing cover

c)

blood circulation

d)

All the above

5.

The process of conversion of chemical energy contained in food into heat and work is called as ____

a)

heat gain

b)

metabolic rate

c)

metabolism

d)

heat loss

6.

___, whilst carrying out work, which is consciously controllable (except in shivering).

a)

basal metabolism

b)

Muscular metabolism

c)

both

d)

none

7.

Met – Evp ± Cnd ± Cnv ± Rad = ___

a)

0

b)

1

c)

-1

d)

-2

8.

____ the rate at which the body uses energy while at rest to maintain vital functions such as breathing and keeping warm

a)

muscular metabolism

b)

Basal metabolism

c)

both

d)

none

9.

Primary factors which determine comfort thermal comfort and they can be clubbed in two categories, ___ factors

a)

environmental

b)

personal

c)

private

d)

none of these

10.

___ is defined as the temperature of a still and saturated atmosphere which would in the absence of radiation, produce the same effect as the atmosphere.

a)

Effective temperature

b)

Radiant temperature

c)

Corrected Effective temperature

d)

all the above

11.

There are four factors with an environmental factors, Air temperature, ___

a)

air speed

b)

relative humidity

c)

radiation

d)

all the above

12.

Skin temperature can vary between ____ under comfort conditions.

a)

31°C and 32°C

b)

29°C and 34°C

c)

31°C and 34°C

d)

25°C and 34°C

13.

___ and ___ are the personal factors

a)

clothing insulation

b)

metabolic rate

c)

none

d)

all the above

14.

Scale which combines the effects of various thermal comfort factors such as air temperature, humidity, air movement and radiation is called a ___

a)

Thermal index

b)

Comfort scale

c)

Thermal level

d)

comfort factors

15.

The ___, is a bioclimatic index for describing the physiological comfort of the human body under specific meteorological conditions

a)

none

b)

thermal indices

c)

UTCI

d)

comfort scale

16.

___, radiation which was taken into account by replacing the dry bulb temperature with the globe temperature.

a)

Corrected Effective Temperature

b)

Effective Temperature

c)

both

d)

none

17.

Heat gain includes, radiation, ___

a)

conduction

b)

Metabolism

c)

convection

d)

all the above

18.

Heat loss includes, radiation, conduction, ___

a)

all the above

b)

convection

c)

evaporation

d)

metabolism

19.

___ is due to heat transmission from the body to the air in contact with the skin or

clothing

a)

Convection

b)

conduction

c)

radiation

d)

none

20.

Human response to the thermal environment does not depend on air temperature alone.

a)

true

b)

false