⟩ _______________tool lets you create smooth curves with fewer nodes than curves drawn by any freehand tool. a Bezier b B-spline c 2-point line d 3-point curve
b: B-spline
b: B-spline
Screws jacks have multiple threads. A. Agree B. Disagree
In a gear, having involute teeth, the normal to the involute is a tangent to the A. pitch circle B. base circle C. addendum circle D. dedendum circle
The square threads are not so strong as V-threads but they offer less frictional resistance to motion than Whitworth threads. A. Correct B. Incorrect
In second type of levers, A. load is in between the fulcrum and effort B. effort is in between the fulcrum and load C. fulcrum is in between the load and effort D. none of these
The backlash for spur gears depends upon A. module B. pitch line velocity C. tooth profile D. both (a) and (b)
A sliding bearing which operates without any lubricant present, is called A. zero film bearing B. boundary lubricated bearing C. hydrodynamic lubricated bearing D. hydrostatic lubricated bearing
When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be A. square threads B. acme threads C. knuckle threads D. buttress threads
A screw is said to be over hauling screw, if its efficiency is A. less than 50% B. more than 50% C. equal to 50% D. none of these
The load cup of a screw jack is made separate from the head of the spindle to A. enhance the load carrying capacity of the jack B. reduce the effort needed for lifting the working load C. prevent the rotation of load being lifted D. reduce the value of frictional torque
The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called A. working depth B. clearance C. face width D. backlash