A. | solid dispersed in gas. |
B. | solid dispersed in liquid. |
C. | liquid dispersed in gas. |
D. | gas dispersed in liquid. |
A. | thermit |
B. | electrical resistance |
C. | oxy-acetylene |
D. | any of these |
A. | surface tension |
B. | viscosity |
C. | cohesion | D. | adhesion |
A. | 4000 | B. | 2100 |
C. | 1500 | D. | 3000 |
A. | jet pump |
B. | blower |
C. | acid egg |
D. | none of these |