The major disadvantage with extreme pressure lubricants is A. Carcinogenic nature of the lubricant. B. Low...

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The major disadvantage with extreme pressure lubricants is A. Carcinogenic nature of the lubricant. B. Low melting point. C. It is ineffective. D. All of above. (A) (В) (C) (D) Question 8: In hydrodynamic lubrication the major source of friction is A. Shearing of lubricant film. B. Abrasion due to asperities on tribo-surfaces. C. Abrasion of tribo-surfaces due to free particles. D. All of the above. o (A) (В) (C) (D) Question 9: Which of the following statements is true about viscosity? A. Dynamic viscosity is the ratio of shear stress to the resultant shear rate. B. Kinematic viscosity is equal to dynamic viscosity divided by density. C. The CGS unit of dynamic viscosity is Centipoise and CGS unit of kinematic viscosity is Centistokes. D. All of above. (A) o (B) (C) o (D) O O OO O O O O The major disadvantage with extreme pressure lubricants is A. Carcinogenic nature of the lubricant. B. Low melting point. C. It is ineffective. D. All of above. (A) (В) (C) (D) Question 8: In hydrodynamic lubrication the major source of friction is A. Shearing of lubricant film. B. Abrasion due to asperities on tribo-surfaces. C. Abrasion of tribo-surfaces due to free particles. D. All of the above. o (A) (В) (C) (D) Question 9: Which of the following statements is true about viscosity? A. Dynamic viscosity is the ratio of shear stress to the resultant shear rate. B. Kinematic viscosity is equal to dynamic viscosity divided by density. C. The CGS unit of dynamic viscosity is Centipoise and CGS unit of kinematic viscosity is Centistokes. D. All of above. (A) o (B) (C) o (D) O O OO O O O O