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Match the following Types of mechanism Motion achieved P. Scott Russel mechanism 1. Intermittent motion Q. Geneva mechanism 2. Quick return motion R. Off set slider crank mechanism 3. Simple harmonic motion S. scotch Yoke mechanism 4. Straight line motion
Which of the below are inversions of slider crank mechanism?
1. Oscillating cylinder engine mechanism
2. Toggle mechanism
3. Radial cylinder engine mechanism
4. Quick return mechanism
The preoptic area of the . . . . . . . . monitors body temperature and activates homeostatic mechanism.
Which of the statements is correct about the mechanism of the following reaction?
Basics of Organic Reaction Mechanism mcq question image
Which of the following are examples of forced closed kinematic pairs? 1. Cam and roller mechanism 2. Door closing mechanism 3. Slider crank mechanism 4. Automotive clutch operating mechanism Select the correct answer using the codes given below:
Match list I with list II List I List II A. Pantograph 1. Scotch yoke mechanism B. Single slider crank 2. Double lever mechanism C. Double slider crank chain 3. Tchebicheff’s mechanism D. Straight line motion mechanism 4. Double crank 5. Hand pump
A microorganism when viewed under a compound microscope with objective of 40X and eye piece of 10X magnification measured 400μ in length. The same microorganism when viewed under a dissecting microscope with 10X lens, would measure
A four-bar mechanism is shown below.  For the mechanism to be a crank-rocker mechanism, the length of the link PQ can be 
For the aldotetroses I-IV, the combination of true statements, among P-T, is
Basics of Organic Reaction Mechanism mcq question image
P = I and II are diastereomers and II and III are enantiomers
Q = I and IV are mesomers and are optically inactive
R = I and III can be interconverted by a base catalysed isomerisation
S = only I and IV are HlO4 cleavable
T = I and III are D-sugars and II and IV are L-sugars
Order of reactivity of the following dienes X, Y and Z in Diels-Alder reaction is
Basics of Organic Reaction Mechanism mcq question image