161. Harmful Physiological effect of Noise.

• Filling of discomforts, Sleeping interference
• Reduced intellectual performance, Fatigue, Nervous irritability & strain
• Vexation, Irritation, Distress & Mental dis-order
• Change in blood pressure
• Change in pulse rate
• Change in blood cholesterol contents
• Constriction of blood vessels, Dilation of pupil of eye
• Hearing loss, Reduction of speech intelligibility
• Acoustic Traumass, Auditory fatigue

Solution

• Sannith
• Mines Act 1952

162. Harmful Psychological effect of Noise.

• Filling of discomforts, Sleeping interference
• Reduced intellectual performance, Fatigue, Nervous irritability & strain
• Vexation, Irritation, Distress & Mental dis-order
• Change in blood pressure
• Change in pulse rate
• Change in blood cholesterol contents
• Constriction of blood vessels, Dilation of pupil of eye
• Hearing loss, Reduction of speech intelligibility
• Acoustic Traumas, Auditory fatigue

Solution

• Sannith
• Mines Act 1952

163. Measurement of Air Borne Dust is done by.

• NCB MRE 113 A GDS
• SIMPEDS
• Any other instrument approved by the DGMS
• All of the above
• CIP 10

Solution

• Sannith
• Mines Act 1952

164. Measurement of Repairable Dust is done by.

• NCB MRE 113 A GDS
• SIMPEDS
• Any other instrument approved by the DGMS
• All of the above
• None of these

Solution

• Sannith
• Mines Act 1952

165. Measurement of Repairable Dust is done by.

• NCB MRE 113 A GDS
• SIMPEDS
• Any other instrument approved by the DGMS
• CIP 10

Solution

• Sannith
• Mines Act 1952

166. Particulars below ___ is called Respirable Dust.

• 5 microns
• 3 microns
• 1 micron
• 10 microns

Solution

• Sannith
• Mines Act 1952

167. as per BMRC Curves 0% of____.

• 1 micron size
• 2-micron size
• 5-micron size
• 6-micron size
• 7-micron size
• Less than 1 micron size

Solution

• Sannith
• Mines Act 1952

168. as per BMRC Curves 28 % of___.

• 1 micron size
• 2-micron size
• 5-micron size
• 6-micron size
• 7-micron size
• Less than 1 micron size

Solution

• Sannith
• Mines Act 1952

169. as per BMRC Curves 50 % of____.

• 1 micron size
• 2-micron size
• 5-micron size
• 6-micron size
• 7-micron size
• Less than 1 micron size

Solution

• Sannith
• Mines Act 1952

170. as per BMRC Curves 98 % of___.

• 1 micron size
• 2-micron size
• 5-micron size
• 6-micron size
• 7-micron size
• Less than 1 micron size

Solution

• Sannith
• Mines Act 1952