Afritutor
Study Portal
Menu
Home
College Level
Junior & Senior secondary
All Senior and Junior Resources
Grade 7 Exams
Grade 8 Exams
Grade 9 Exams
Grade 10 Exams
JSS Schemes of Work
JSS Study/Class Notes
JSS Lesson Plans
JSS Holiday Homeworks
Senior School Schemes of Work
Senior School Study/Class Notes
Senior School Lesson Plans
Senior School Holiday Homeworks
All Classes Online Video Lessons & Revision(
Highly Demanded
)
Grade 9 Online Videos Revision
Lower & Upper Primary
All Lower and Upper Primary Resources
Play Group Exams
PP2 Exams
PP1 Exams
Grade 1 Exams
Grade 2 Exams
Grade 3 Exams
Grade 4 Exams
Grade 5 Exams
Grade 6 Exams
Schemes of Work
Study/Class Notes
Lesson Plans
Holiday Homeworks
All Academic resources
Premium Content
Join
Login
<=Back
<=KNEC Craft Certificate in Electrical and Electronics Engineering(Power Option) Module II : Estimating and Tendering Past Paper July 2022
Explain:
(i) The stroboscopic effects
ii) Two methods of minimizing the effect in c (i)
 Viewed:
426
times
Share in:
Question Answer:
Login to View Answer
Questions List:
1.
With reference to engineering contracts, explain: (i) The term ‘estimate’ (ii) Primary function of an estimate.
2.
Explain each of the following with reference to ‘taking off’ materials from electrical drawings: (i) Numbered items; ii)Measured items.
3.
(i) Define the term ‘tender’
4.
Describe: (I)Opening tendering; (II) Negotiated tendering.
5.
Outline six ways an offer of an electrical contract can be terminated
6.
Explain each of the following as used in illumination: (i) Lumen; (ii) Utilization; (iii) Space height ratio.
7.
A lamp suspended 3 metres above the working plane has illumination of 70 lux. Determine the : (i) Lamp lumen output at point A just below it; (ii) Illumination received at point B, 4 metres away from A
8.
Explain: (i) The stroboscopic effects ii) Two methods of minimizing the effect in c (i)
9.
Draw labeled diagram of mercury vapor Lamp