Step 1: Meaning of standardisation.
Standardisation refers to maintaining uniformity and quality across equipment and products.
Step 2: Reason for lack of standardisation.
Lack of standardisation usually arises from external factors such as:
- Lack of uniform industrial standards.
- Technological diversity in different regions.
- Dependence on foreign machinery.
Step 3: Option analysis.
- (A) Internal constraints: Wrong, internal efficiency may affect quality but not standardisation directly.
- (B) External constraints: Correct, because lack of standardisation is influenced by external factors.
- (C) Government barriers: Incorrect, they regulate but don’t directly cause non-standardisation.
- (D) Regulatory barriers: Incorrect, these ensure compliance, not absence of standardisation.
Step 4: Conclusion.
External constraints are responsible for lack of standardisation of equipment.