Related Questions

Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm.
A [

A.

B. 10-100

B 100-200
C 100-1000
Threshold limit value (TLV) of CO in air is __________ ppm.
A 5
B 50
C 2000
D 5000
A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm.
A 1000 to 2000
B 3000 to 6000
C 6000 to 9000
D 10000 to 100000
TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm.
A 5
B 100
C 1000
D 2000
TLV of lead for public sewer/waste water is about __________ ppm.
A 1
B 25
C 150
D 650
TLV of mercury in potable (drinking) water is about __________ ppm.
A 0.001
B 0.1
C 1
D 5
A company reports sales revenue of Tk. 200 million the current year and Tk. 180 million last year. Their total assets in the current year are Tk. 150 million and last year's total assets were Tk. 130 million . What is the current year's asset turnover ratio ?
A 1.48
B 1.33
C 1.36
D 1.43
Ratan and Moinul have started a business investing taka 2.5 million and 3.5 million respectively. After 4 months Ratan gave in 5 lakh taka more while Moinul withdrew 5 lakh taka. If the year ending profit is 12.92 million taka what will be the profit share of Moinul in million taka?
A 6.12
B 6.82
C 6.80
D 8.60
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.
A 2
B 42
C 332
D 1050

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